CONFIGURING AND TROUBLESHOOTING CONNECTIVITY
Contents
1. C Show icon in notification area when connected 16 Close the Network Connections window and restore the command prompt window 17 Press the up arrow key to restore the previous command and press ENTER EXERCISE 8 11 USING TRACERT PATHPING AND NSLOOKUP Estimated completion time 10 minutes After investigating connectivity in the previous exercise with Ping you need to use other command line tools to try to figure out the problem Using Pathping The following steps use the Pathping command to diagnose connectivity 1 From the Start menu select Run In the Run dialog box in the Open text box type cmd and press ENTER 2 In the command prompt window type pathping www microsoft com and press ENTER Sample results from this command are shown below LAB 8 CONFIGURING AND TROUBLESHOOTING CONNECTIVITY 19 cx C WINDOWS System32 cmd exe C Documents and Settings Administrator gt pathping www microsoft com Tracing route to www2 microsoft akadns net 207 46 245 156 lover a maximum of 38 hops computer 3 contoso com 16 1 1 52 18 1 1 208 192 168 0 1 c 24 18 128 1 client comcast net 24 18 128 11 12 244 0 13 12 244 72 22 12 127 207 46 207 46 207 46 KKK KEK KK Computing statistics for 325 seconds This Node Link Pet Source to Here Lost Sent Pet Los Hop RIT 6 166 166 166 166 1007 166 100 166 166 1680 166 106 166 166 166 160 166 162. In the Computer Name Changes dialog box under Member Of in the Workgroup text box enter the following Q Ifyour IP address ends with an odd number type ODDCOMPUTERS Q Ifyour IP address ends with an even number type EVENCOMPUTERS Click OK In the Computer Name Changes message box welcoming you to the new workgroup click OK In the Computer Name Changes message box instructing you to restart to activate changes click OK In the System Properties dialog box click OK In the System Settings Change message box asking if you want to restart your computer click Yes LAB 8 CONFIGURING AND TROUBLESHOOTING CONNECTIVITY EXERCISE 8 6 USING THE REPAIR FEATURE FOR NETWORK CONNECTIONS Estimated completion time 10 minutes When a user at Contoso loses connectivity it is standard procedure to run a repair on the connection which is outlined in the following steps 1 2 10 11 12 From the Start menu select My Network Places In the My Network Places window in the Network Tasks section select View Network Connections In the Network Connections window under LAN Or High Speed Internet right click Local Area Connection and select Repair In the Repair Local Area Connection message box click Close NOTE When a Repair command is issued the following are executed Q Dynamic Host Configuration Protocol DHCP lease is renewed ipconfig renew Q Address Resolution Protocol ARP cache is flushed ar
3. Domain In the Domain text box type contoso and press Enter In the Computer Name Changes dialog box in the User Name text box type AddToDomain and in the Password text box type Pa w0rd as shown below Click OK LAB 8 CONFIGURING AND TROUBLESHOOTING CONNECTIVITY 13 10 11 12 13 Computer Name Changes Enter the name and password of an account with permission to join the domain User name addToDomain Password evcccces In the Computer Name Changes message box welcoming you to the Contoso domain click OK In the Computer Name Changes message box instructing you to restart your computer click OK In the System Properties dialog box click OK In the System Settings Change message box click Yes to answer that you want to restart After the Computer01 virtual machine restarts in the Welcome To Windows message box press Right Alt Delete Alternatively you can select Ctrl Alt Delete from the Virtual PC Action menu In the Log On To Windows dialog box click Options In the Log On To drop down list select CONTOSO In the User name box type Student In the Password text box type Pa wOrd Click OK Log On to Windows Copyright 1985 2001 Microsoft Corporation User name Student Password eocccees Log on to CONTOSO C Log on using dial up connection 14 SUPPORTING USERS AND TROUBLESHOOTING DESKTOP APPLICATIONS ON WINDOWS XP 14
4. EI Performance Logs and Alerts 8 Floppy disk drives a Device Manager gy Human Interface Devices ij Storage IDE ATA ATAPI controllers Removable Storage Keyboards Disk Defragmenter 0 Mice and other pointing devices Disk Management By Modems Be Services and Applications b Standard 56000 bps Modem Network adapters Update Driver Other devices Disable 9 Ports COM amp LPT Uninstall MR Processors Sound video and game contr i bd System devies Universal Serial Bus controllers Scan for hardware changes Opens property sheet for the current selection In the Standard 56000 bps Modem Properties dialog box in the Diagnostics tab click Query Modem In the Error message box click OK Below is depicted an example of what a correctly configured modem produces when queried in this manner Close all open windows 6 SUPPORTING USERS AND TROUBLESHOOTING DESKTOP APPLICATIONS ON WINDOWS XP U S Robotics Faxmodem Win 1801 Properties General Modem Diagnostics Advanced Driver Resources Moder Information Field Value Hardware ID ISAPNP USRO033 Command Response ATQOVIEO Success 4T GMM COMMAND NOT SUPPORTED AT FCLASS 0 1 2 0 ATHCLS COMMAND NoT SUPPORTED lt Logging Apendi Leo QUESTION Why is querying the modem from the Modem Properties dialog box a good diagnostic measure when probing connectivity problems with a modem NOTE Because t
5. From the Start menu select Run In the Run dialog box in the Open text box type cmd and press Enter 15 At the command prompt type net config workstation and press Enter 16 Take a snapshot of the command prompt window an example of which is shown below and paste it into the YourName Lab8 WordPad document that you created earlier cx C WINDOWS System32 cmd exe Microsoft Windows XP Version 5 1 2666 lt C gt Copyright 1985 2061 Microsoft Corp C Documents and Settings Student 3 CONTOSO gt net config workstation Computer name N COMPUTERG3 Full Computer name computer 3 contoso com User name Student 3 Workstation active on NethbiosSmb 889800000008 gt Net BT_Tcpip_ lt ACC26EAG 2DF8 4983 BA2D 6687678C6580 gt lt BEG4CEDFAIF gt Software version Windows 2662 Workstation domain CONTOSO Workstation Domain DNS Name contoso com Logon domain CONTOSO COM Open Timeout lt sec gt The command completed successfully C Documents and Settings Student 3 CONTOSO gt 17 Close all open windows EXERCISE 8 9 USING NETWORK DIAGNOSTICS IN THE HELP AND SUPPORT CENTER Estimated completion time 10 minutes You are having trouble diagnosing a problem with the network A Tier 2 technician has asked you to produce a diagnostic report on the networking components of the computer 1 Log on to the Computer01 virtual machine in the Contoso domain with the Student account the password is Pa wOrd 2 Click the desktop
6. Places In the My Network Places window under Network Tasks select View Network Connections Take a snapshot of the Network Connections window and paste it into a WordPad document called YourName Lab 8 where YourName is your name and save the file in Shared Documents QUESTION If you saw a red X on the Contoso connection previously why has the icon changed LAB 8 CONFIGURING AND TROUBLESHOOTING CONNECTIVITY NOTE Because this lab is long the following exercise is optional It can be skipped without consequence to future labs However if you do not complete this exercise you should not complete Exercise 8 4 EXERCISE 8 3 QUERYING A MODEM FROM MODEM PROPERTIES OPTIONAL Estimated completion time 5 minutes To see if the executive s modem is communicating with the computer you will query it for information in the following steps 1 2 From the Start menu right click My Computer and select Manage In the Computer Management console in the console tree expand System Tools and select Device Manager In the details pane under the COMPUTERO01 node expand Modems as shown below Right click Standard 56000 bps Modem and select Properties go Computer Management a Fie Action View Window Help e Alm fa R zmag Computer Management Local 4 COMPUTERO3 amp System Tools Computer ial Event Viewer See Disk drives Shared Folders DYDICD ROM drives z Local Users and Groups Floppy disk controllers
7. in a blank area and press F1 to start the Help And Support Center 3 In the Help And Support Center in the Search text box type diagnose network and press ENTER 4 In the Search Results pane click Network Diagnostics 5 On the Network Diagnostics page click Set Scanning Options 6 Under Options select and clear the check boxes as shown below LAB 8 CONFIGURING AND TROUBLESHOOTING CONNECTIVITY 15 7 10 11 12 13 Help and Support Center Q sak KA o Index Sie Favorites history TD support A Options eT dicgnose network JE Help and Support Center Windows XP Pi val es SI add tor chance view a prit PF Locate in contents Network Diagnostics scans your system to gather information about your hardware software and network connections Tell me about Network Diagnostics Scan your system Save Options ns Ping Connect Show verbose Mololoicinka Save to Desktop egories Mail Service News Service Internet Proxy Server Computer Information Operating System Windows Version Modems Network Clients Network Adapters Domain Name System DNS Dynamic Host Configuration Protocol DHCP Default Gateways See Also E Windows Glossary E Windows keyboard shortcuts overview D Tools E Go to a Windows newsgroup Internet Protocol Addre
8. last step that the Repair button executes IEEE 802 1X Authentication Restart LAB 8 CONFIGURING AND TROUBLESHOOTING CONNECTIVITY 11 oo em oS UN EXERCISE 8 7 OBTAINING AN AUTOMATIC PRIVATE IP ADDRESS BEFORE YOU BEGIN Log on to the Server virtual machine with the Administrator account the password is Pa wOrd From the Start menu select Administrative Tools and then DHCP In the left pane of the DHCP console expand the server contoso com node In the left pane select the Scope 10 1 1 0 Classroom node Right click the Scope 10 1 1 0 Classroom node and select Deactivate In the DHCP message box click Yes Estimated completion time 5 minutes A DHCP server that serves workgroup computers has gone down Until the problem is fixed the IT department has decided to use Automatic Private IP Addressing APIPA because the number of computers on the network is small 1 Log on to the Computer01 virtual machine with the Administrator account the password is Pa wOrd From the Start menu select Run In the Run dialog box in the Open text box type cmd and press ENTER At the command prompt type ipconfig release and press ENTER At the command prompt type ipconfig renew and press ENTER At the command prompt type ipconfig all and press ENTER QUESTION What is the new IP address QUESTION Tocomplete this exercise the classroom scope on the DHCP server was deactivated Once the DHCP server is fully activate
9. shown below Click Next 10 11 12 13 14 SUPPORTING USERS AND TROUBLESHOOTING DESKTOP APPLICATIONS ON WINDOWS XP Add Hardware Wizard The following hardware is already installed on your computer Sata Y From the list below select an installed hardware device then click Next to check properties or troubleshoot a problem you might be having To add hardware not shown in the list click Add a new hardware device Installed hardware amp Standard Enhanced PCI to USB Host Controller amp amp USB Root Hub amp USB Root Hub amp amp USB Root Hub amp USB Composite Device Add a new hardware device v On the The Wizard Can Help You Install Other Hardware page select Install The Hardware That Manually Select From A List Advanced and click Next On the From The List Below Select The Type Of Hardware You Are Installing page in the Common Hardware Types list box select Modems Click Next On the Install New Modem page select the Don t Detect My Modem Will Select It From A List check box and click Next On the Install New Modem page in the Manufacturer list box ensure that Standard Modem Types is selected In the Models list box select Standard 56000 bps Modem and click Next On the Install New Modem page in the ports window select COM1 Click Next The Install New Modem page appears Click Finish when it becomes active Close all open windows From the Start menu select My Network
10. which IP address the failure is occurring 22 SUPPORTING USERS AND TROUBLESHOOTING DESKTOP APPLICATIONS ON WINDOWS XP COMPLETING THE LAB 1 If there are files in the virtual machine that you want to save before closing drag them from the virtual machine window to the host computer NOTE Any files that were added to a virtual machine during a lab will not be saved when the virtual machine is closed 2 Shut down each virtual machine by selecting Action and then Close
11. 6 1680 166 106 166 166 166 166 166 166 166 166 166 166 166 166 160 166 166 1680 Trace complete a a a a C Documents and Settings Administrator gt c 24 18 128 1 client comcast net 24 18 128 1 gbri p2 st6wa ip att net 12 123 44 1461 p366 stwwa ip att net 12 123 263 1691 Address computer 3 contoso com 10 1 1 521 i 16 1 1 266 i 192 168 0 1 c 24 18 128 1 client comcast net i c 24 18 128 1 client comcast net 12 244 0 13 12 244 72 22 i i gbri p28 st6wa ip att net 12 123 gari p366 stwwa ip att net 12 123 12 127 78 6 207 46 40 1 207 46 36 210 207 46 155 19 i computer 3 contoso com 6 6 6 6 3 Take a few moments to note what statistics Pathping gathers Using Tracert The following steps use the Tracert command which is similar to Pathping 1 At the command prompt type tracert www microsoft com and press ENTER 2 Compare the information relayed by Tracert with that of Pathping Using NSlookup The following steps purge your DNS cache and query available DNS servers 1 At the command prompt type ipconfig flushdns and press ENTER 2 At the command prompt type nslookup www microsoft com and press ENTER 20 SUPPORTING USERS AND TROUBLESHOOTING DESKTOP APPLICATIONS ON WINDOWS XP QUESTION What information does the NSlookup command convey in this instance EXERCISE 8 12 RESTORING THE SYSTEM FOR FUTURE LABS Estimate
12. LAB 8 CONFIGURING AND TROUBLESHOOTING CONNECTIVITY This lab contains the following exercises and activities some of which are optional Exercise 8 1 Configuring an Internet Connection Exercise 8 2 Installing a Modem Optional Exercise 8 3 Querying a Modem from Modem Properties Optional Exercise 8 4 Common Modem Settings Optional Exercise 8 5 Changing Workgroups Exercise 8 6 Using the Repair Feature for Network Connections Exercise 8 7 Obtaining an Automatic Private IP Address Exercise 8 8 Joining a Domain Exercise 8 9 Using Network Diagnostics in the Help and Support Center Exercise 8 10 Using PING Exercise 8 11 Using Tracert Pathping and NSlookup Exercise 8 12 Restoring the System for Future Labs Exercise 8 13 Submitting Your Work Lab Review Questions Lab Challenge 8 1 Using the Command Line to Troubleshoot a Connection Failure BEFORE YOU BEGIN Start the Server virtual machine Once the Server virtual machine is fully started start the Computer01 and Computer02 virtual machines SCENARIO You are a technical support agent at Contoso an insurance provider Recently many new employees have been added to the network and given limited Internet access It is your job to troubleshoot the network and Internet connectivity 2 SUPPORTING USERS AND TROUBLESHOOTING DESKTOP APPLICATIONS ON WINDOWS XP After completing this lab you will be able to m Install and configure a dial up connection m Change w
13. P Configuration Ethernet adapter Local Area Connection Connection specific DNS Suffix 255 as 255 i 200 Default Gateway C Documents and Settings Administrator gt arp d C Documents and Settings Administrator gt nbtstat R Successful purge and preload of the NBT Remote Cache Name Table C Documents and Settings Administrator gt nbtstat RR The NetBIOS names registered by this computer have been refreshed C Documents and Settings Administrator gt ipconfig flushdns Windows IP Configuration Successfully flushed the DNS Resolver Cache C Documents and Settings Administrator gt ipconfig registerdns Windows IP Configuration Registration of the DNS resource records for all adapters of this computer has bi een initiated Any errors will be reported in the Event Viewer in 15 minutes C Documents and Settings Administrator gt At the command prompt type exit and press ENTER From the taskbar restore the Network Connections window Right click Local Area Connection and select Properties In the Local Area Connection Properties dialog box in the Authentication tab clear the Enable IEEE 802 1x Authentication For This Network check box Click OK Right click Local Area Connection and select Properties In the Local Area Connection Properties dialog box in the Authentication tab select the Enable IEEE 802 1x Authentication For This Network check box Click OK NOTE Steps 17 through 19 are a re creation of the
14. ck Local Area Connection and select Properties In the Local Area Connection Properties dialog box in the General tab in the This Connection Uses The Following Items section clear the Internet Protocol TCP IP check box and click OK In the Network Connections message box click Yes Minimize the Network Connections window and restore the command prompt window At the command prompt type ping 127 0 0 1 and press ENTER At the command prompt type ping n 20 server and Press ENTER Minimize the command prompt window and restore the Network Connections window In the Network Connections window under LAN Or High Speed Internet right click Local Area Connection and select Properties 18 SUPPORTING USERS AND TROUBLESHOOTING DESKTOP APPLICATIONS ON WINDOWS XP 15 In the Local Area Connection Properties dialog box in the General tab in the This Connection Uses The Following Items section select the Internet Protocol TCP IP check box as shown below and click OK 4 Local Area Connection Properties General Authentication Advanced Connect using E Realtek RTL8139 Family PCI Fast Ethernet NIC This connection uses the following items A File and Printer Sharing for Microsoft Networks d2 QoS Packet Scheduler Internet Protocol TCP IP Description Transmission Control Protocol Internet Protocol The default wide area network protocol that provides communication across diverse interconnected networks
15. d again what is the least action you can take to obtain a DHCP address instead of an APIPA address 12 10 11 12 13 14 15 SUPPORTING USERS AND TROUBLESHOOTING DESKTOP APPLICATIONS ON WINDOWS XP NOTE You will now reactivate the DHCP scope for the classroom so that you can obtain a DHCP IP address Log on to the Server virtual machine with the Administrator account the password is Pa wOrd From the Start menu select Administrative Tools and then DHCP In the left pane of the DHCP console expand the server contoso com node In the left pane select the Scope 10 1 1 0 Classroom node Right click the Scope 10 1 1 0 Classroom node and select Activate Log on to the Computer01 virtual machine with the Administrator account the password is P wOrd Open a Command Prompt window At the command prompt type ipconfig release and press Enter At the command prompt type ipconfig renew and press Enter EXERCISE 8 8 JOINING A DOMAIN Estimated completion time 10 minutes Employees previously isolated from the Contoso domain in a workgroup need to have their computers added to the domain 1 Log on to the Computer01 virtual machine with the Administrator account the password is Pa wOrd From the Start menu right click My Computer and select Properties In the System Properties dialog box in the Computer Name tab click Change In the Computer Name Changes dialog box in the Member Of section select
16. d completion time 5 minutes This exercise must be finished to make Lab 8 compatible with subsequent labs It will remove the modem that you installed so that it won t interfere with exercises on network connections 1 Log on with the local Administrator account the password is Pa w0Ord 2 From the Start menu select My Network Places 3 In the My Network Places window in the Network Tasks section select View Network Connections 4 In the Network Connections window under Dial Up right click Contoso and select Delete 5 Inthe Confirm Connection Deletion message box click Yes Close the Network Connections window 6 From the Start menu right click My Computer and select Properties 7 Inthe System Properties dialog box in the Hardware tab in the Device Manager section click Device Manager 8 In Device Manager expand the Modems node Right click Standard 56000 bps Modem and select Uninstall Click OK to confirm that you want to uninstall the modem 9 Close Device Manager and close the System Properties dialog box EXERCISE 8 13 SUBMITTING YOUR WORK Estimated completion time 5 minutes This exercise allows you to submit the work you completed in this lab to your instructor 1 2 Log on to the Computer01 virtual machine with the Administrator account Drag the YourName Lab 8 WordPad document from the virtual machine window to the host computer LAB 8 CONFIGURING AND TROUBLESHOOTING CONNECTIVITY 21 3 S
17. he options according to step 6 Click Scan Your System Note that many of the diagnostics are different because the network card has been disabled Example results are shown below 0 Help and Support Center a I EI Q Back O o Index se Favorites Q History ii Support x Options Search 5 Help and Support Center ws XP Professional Unknown node Add to Favor Po Change View Print K Locate in Contents Network Diagnostics Network Diagnostics scans your system to gather information about your hardware software and network connections Tell me about Network Diagnostics Scan your system Set scanning options Show Saved Files _Save to file Internet Service Internet Explorer Web Proxy E Computer System COMPUTERO3 4 Operating System Microsoft Windows XP Professional El version 5 1 2600 El Modems Standard 56000 bps Modem See Also Network Adapters CIDNS Servers E Windows Glossary C Default Gateways R Windows keyboard shortcuts overview CIDHCP Servers CIP Address CI WINS Servers E Go to a Windows newsgroup E Network Clients Not Configured E Tools 18 In the Network Connections window right click Local Area Connection and select Enable 19 Close all open windows EXERCISE 8 10 USING PING Estimated completion time 10 minutes To solve common networking issues you use several command line tools A user has had a network diagnostics and a repair run on her com
18. his lab is long the following exercise is optional It can be skipped without consequence to future labs EXERCISE 8 4 COMMON MODEM SETTINGS OPTIONAL Estimated completion time 5 minutes The modem from the previous exercise is now working but you want to fine tune the settings according the user s preferences Turning Off the Speaker and Enabling Error Correction and Flow Control The following steps will turn off the speaker and change settings that might improve a faulty connection LAB 8 CONFIGURING AND TROUBLESHOOTING CONNECTIVITY 7 1 Log on to the Computer01 virtual machine with the Administrator account the password is Pa wOrd 2 From the Start menu select My Network Places 3 In the My Network Places window in the Network Tasks section click View Network Connections 4 In the Network Connections window under Dial Up right click Contoso and select Properties 5 Inthe Contoso Properties dialog box in the General tab click Configure 6 In the Modem Configuration dialog box clear the Enable Modem Speaker check box NOTE Hardware error correction and flow control can sometimes improve the performance of a line with a lot of noise or other problems If a user is making a connection but that connection is unreliable try enabling these options 7 If necessary select the Enable Hardware Flow Control and Enable Modem Error Control check boxes as shown below Click OK Modem Configuration Ma
19. orkgroups m Use and understand the Repair feature for network connections m Use APIPA m Join a computer to a domain m Use Network Diagnostics in the Help And Support Center E Use command line utilities to diagnose network problems Estimated lesson time 100 minutes Estimated lesson time for optional exercises 70 minutes NOTE Exercises 8 1 and 8 2 configure a connection and modem that will not be functional They are only installed to allow practice with their user interfaces EXERCISE 8 1 CONFIGURING AN INTERNET CONNECTION Estimated completion time 5 minutes An executive of Contoso brings in his laptop computer and wants you to configure his computer for dial up connectivity 1 Log on to the Computer01 virtual machine with the Administrator account the password is Pa wo0rd 2 From the Start menu select My Network Places 3 In the My Network Places window in the Network Tasks section click View Network Connections 4 In the Network Connections window in the Network Tasks section click Create A New Connection 5 In the New Connection Wizard on the Welcome To The New Connection Wizard page click Next 6 On the Network Connection Type page verify that Connect To The Internet is selected and click Next 7 On the Getting Ready page select Set Up My Connection Manually and click Next LAB 8 CONFIGURING AND TROUBLESHOOTING CONNECTIVITY 10 11 12 On the Internet Connection page verify
20. p d Q Reload of the NetBIOS name cache nbtstat R Q NetBIOS name update is sent nbtstat RR Q Domain Name System DNS cache is flushed ipconfig flushdns Q DNS name registration ipconfig registerdns Q For Windows XP Service Pack 1 a IEEE 802 1X Authentication Restart The following steps manually re create the actions of the Repair option Minimize the Network Connections window Open a Command Prompt window At the command prompt type ipconfig release and press ENTER At the command prompt type ipconfig renew and press ENTER At the command prompt type arp d and press ENTER At the command prompt type nbtstat R and press ENTER At the command prompt type nbtstat RR and press ENTER At the command prompt type ipconfig flushdns and press ENTER 10 13 14 15 16 17 18 19 SUPPORTING USERS AND TROUBLESHOOTING DESKTOP APPLICATIONS ON WINDOWS XP At the command prompt type ipconfig registerdns and press ENTER An example of all these commands being run is shown below ex C WINDOWS System32 cmd exe Microsoft Windows KP Version 5 1 2666 lt C gt Copyright 1985 2061 Microsoft Corp C Documents and Settings Administrator gt ipconfig release Mindows IP Configuration Ethernet adapter Local Area Connection Connection specific DNS Suffix IP Address 2 2 6 ew oe ee a 8 Subnet Mask Default Gateway C Documents and Settings Administrator gt ipconfig renew Windows I
21. puter but still has connectivity problems It is your task to use command line tools to help diagnose the problem The following steps use the Ping command to check connectivity LAB 8 CONFIGURING AND TROUBLESHOOTING CONNECTIVITY 17 10 11 12 13 14 Log on to the Computer01 virtual machine with the local Administrator account the password is Pa wOrd From the Start menu select Run In the Run dialog box in the Open text box type cmd and press ENTER At the command prompt type ping 127 0 0 1 and press ENTER A sample result is shown below cx C WINDOWS System32 cmd exe Microsoft Windows XP Version 5 1 2666 lt C gt Copyright 1985 2061 Microsoft Corp C Documents and Settings Administrator gt ping 127 0 0 1 Pinging 127 0 0 1 with 32 bytes of data Reply from 127 0 0 1 bytes 32 time lt ims TTL 128 Reply from 127 0 0 1 bytes 32 time lt ims TTL 128 Reply from 127 0 0 1 bytes 32 time lt ims TTL 128 Reply from 127 0 0 1 bytes 32 time lt ims TTL 128 Ping statistics for 127 0 0 1 Packets Sent 4 Received 4 Lost x loss Approximate round trip times in milli seconds Minimum ms Maximum ms Average ms C Documents and Settings Administrator gt Minimize the command prompt window From the Start menu select My Network Places In the My Network Places window in the Network Tasks section click View Network Connections In the Network Connections window right cli
22. ss Windows Internet Naming Service WINS EEEE ERERKEN ER Once the options are set click Scan Your System The more computers that are on the network the longer the scan will take QUESTION What three broad categories are the results of the scan divided into QUESTION What is the default gateway according to the results of the diagnosis On the Network Diagnostics page click Save To File This will place a file on the desktop that can be used for diagnosing network problems It contains the results of the scan In the File Saved message box click OK Log off and log on to Computer01 with the local Administrator account the password is Pa wOrd Be sure to set the Log On To drop down list to COMPUTER01 this computer From the Start menu select My Network Places In the My Network Places window in the Network Tasks section click View Network Connections In the Network Connections window under LAN Or High Speed Internet right click Local Area Connection and select Disable 16 SUPPORTING USERS AND TROUBLESHOOTING DESKTOP APPLICATIONS ON WINDOWS XP 14 Click a blank space in the Network Connections window 15 In the See Also section click Network Troubleshooter 16 In the Help And Support Center on the Networking Problems page under Fix A Problem click Diagnose Network Configuration And Run Automated Networking Tests 17 On the Network Diagnostics page click Set Scanning Options Set t
23. that Connect Using A Dial Up Modem is selected and click Next On the Connection Name page in the ISP Name text box type Contoso and click Next On the Phone Number To Dial page in the Phone Number text box type 1 000 000 0000 Click Next On the Internet Account Information page in the User Name text box type your name In the Password and Confirm Password text boxes type Pa wOrd Click Next On the Completing The New Connection Wizard page click Finish QUESTION Why might you see a red X over the Contoso connection icon in the Network Connections window NOTE Because this lab is long the following exercise is optional It can be skipped without consequence to future labs However if you do not complete this exercise you should not complete Exercises 8 3 or 8 4 EXERCISE 8 2 INSTALLING A MODEM OPTIONAL Estimated completion time 10 minutes Now that you have created an Internet connection for the executive in the previous exercise you need to install a modem 1 2 In Control Panel switch to Classic view if necessary double click Add Hardware In the Add Hardware Wizard on the Welcome To The Add Hardware Wizard page click Next On the Is The Hardware Connected page select Yes Have Already Connected The Hardware and click Next On the The Following Hardware Is Already Installed On Your Computer page in the Installed Hardware list scroll to the bottom and select Add A New Hardware Device as
24. ubmit the document to your instructor LAB REVIEW QUESTIONS Estimated completion time 15 minutes 1 Where can you find out what COM port a modem is configured to use 2 How do you change workgroups 3 Cana computer in a domain access the shared resources of another computer on the network that is not a member of the domain 4 List the tasks that a network connection repair involves 5 What command line utility reports on data loss and the route to a particular IP address 6 What will the n switch do when used with the Ping command 7 What Microsoft utility is commonly used to synchronize mobile devices with desktop computers LAB CHALLENGE 8 1 USING THE COMMAND LINE TO TROUBLESHOOT A CONNECTION FAILURE Estimated completion time 10 minutes You are a technical support agent at Contoso com A user complains that she cannot access a site on the Internet In investigating the problem you ask her several questions m Are you able to access any other site on the Internet Yes m Have you ever accessed this site before Yes but not on this computer m Was the computer on the same network or on a different network It was at home m Have you made any changes recently to Microsoft Internet Explorer or your computer No m What is the site www dell com Try to access www dell com from your computer you will be unable Using the tools presented in this lab rule out your network card and DNS as the culprit Find out at
25. ximum speed bps 1 15200 Modem protocol Hardware features Enable hardware flow control C Enable modem compression C Show terminal window C Enable modem speaker Disabling Hang up When Idle The network connection from the modem is working great with one exception if it is left idle for too long it disconnects 1 In the Contoso Properties select the Options tab 2 Under Redialing Options in the Idle Time Before Hanging Up drop down list select Never Click OK 3 SUPPORTING USERS AND TROUBLESHOOTING DESKTOP APPLICATIONS ON WINDOWS XP Close the Network Connections window EXERCISE 8 5 CHANGING WORKGROUPS Estimated completion time 15 minutes A small division of Contoso uses workgroups instead of joining to the Contoso domain The workgroup is getting too large though and needs to be divided into two groups 1 2 10 11 12 13 14 15 From the Start menu select My Network Places In the My Network Places window in the Network Tasks section click View Workgroup Computers Note the computers present in the workgroup From the Start menu select Run In the Run dialog box type cmd and press ENTER At the command line type ipconfig and press ENTER Copy your IP address here At the command line type exit and press ENTER From the Start menu right click My Computer and select Properties In the System Properties dialog box in the Computer Name tab click Change
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