Hi,
To troubleshoot the issue with the Network and Dial-up in follow the
instructions in the article given below:
http://support.microsoft.com/default.aspx?scid=kb;en-us;329050&Product=win20
00
or
SUMMARY
This article describes troubleshooting methods that you can use to resolve
missing Network and Dial-up Connections icons. The following issues may
occur if you click Start, point to Settings, and then double-click Network
and Dial-up Connections or if you right-click My Network Places on the
desktop and then click Properties.
The Local Area Connection icon is missing.
The dial-up connection icons are missing.
The Make New Connection wizard icon is missing.
Only the Make New Connection icon appears, or one or more dial-up
connections also appear.
If you click the Advanced menu, and then click Advanced Settings, only the
[Remote Access connections] entry appears in the Connections pane.
The Network and Dial-up Connections Explorer quits responding (hangs) after
you select a network connection and then click Properties.
Notwithstanding these issues, networking continues to function correctly,
and the Ipconfig command still shows all connection and adapter
information.
MORE INFORMATION
To troubleshoot these problems, follow these steps:
Verify the network adapter setting:
Right-click My Computer, and then click Properties.
Click the Hardware tab, and then click Device Manager.
Expand Network Adapters, and then verify that the correct network card is
listed.
Double-click the network card, and then verify that the "This device is
working properly" message appears in the Device status box on the General
tab.
Verify that services are started:
Right-click My Computer, and then click Manage.
Expand Services and Applications, and then click Services.
In the right pane, verify that the following services are started:
Remote Procedure Call (RPC)
Network Connections (this service depends on RPC service)
Plug and Play
COM+ Event System (this service depends on RPC service)
Remote Access Connection Manager (this service depends on Telephony service)
Telephony (this service depends on RPC and PnP service)
Verify the logon setting:
Double-click the COM+ Event System service.
Click the Log On tab.
Under Log on as, verify that Local System account is selected. This is the
default setting.
Verify the desktop interaction setting:
Double-click the Network Connection service.
Under Local System account, verify that the service is running.
Verify that the Allow service to interact with desktop option is turned on.
Verify the networking services setting:
In Control Panel, double-click Add/Remove Programs.
Click Add/Remove Windows Components.
Under Networking Services, verify that Simple TCP/IP Services is turned on.
Verify that the network DLLs that are listed in the following Microsoft
Knowledge Base article are registered correctly:
254631 Some Network and Dial-Up Connections Icons May Be Missing
At a command prompt, type sfc /purgecache, and then press ENTER. The
Windows File Checker starts. Verify that all Windows Protected Files in the
System32 folder are intact.
Verify that the registry keys are intact and correct:
Start Registry Editor.
Locate and then click the following registry key:
HKEY_CLASSES_ROOT\Interface
If the key is not present, create it.
Verify that the value for this key is:
{0000010C-0000-0000-C000-000000000046}
If it is not, modify it to this value. For additional information, click
the following article number to view the article in the Microsoft Knowledge
Base:
269019 Network and Dial-up Connections Folder Icons Missing
Use Dcomcnfg.exe to reset the Default Impersonation Level setting:
Click Start, click Run, type dcomcnfg, and then click OK.
On the Default Properties tab, click any setting other than Anonymous in
the Default Impersonation Level box. For additional information, click the
following article number to view the article in the Microsoft Knowledge
Base:
273461 Network and Dial-Up Connection Icons Disappear When You Use
Dcomcnfg.exe to Set the Default Impersonation Level to Anonymous
If only the dial-up connection icons are missing, temporarily add a bogus
standard modem, and then see if the connection icons appear.
Remove and then reinstall the latest Windows operating system service pack.
To obtain the latest service pack for Windows 2000, click the following
article number to view the article in the Microsoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack
Make sure that there are no non-present, ghosted, or hidden network
adapters in your computer. For additional information about how to do so,
click the following article number to view the article in the Microsoft
Knowledge Base:
269155 Error Message When You Try to Set an IP Address on a Network Adapter
Remove and then reinstall the network adapter:
In Control Panel, double-click Add/Remove Hardware.
Remove the network adapter.
Restart the computer, and then let the system automatically detect and
install the drivers for the network adapter.
Remove any third-party network adapter management software. Temporarily
remove any teaming software. The following combination is known to be
incompatible:
Dual-Port Intel Pro 100+ Server Adapter with Intel Teaming Software running
an SNMP component, such as Dell Open Manage Server Agents
If you are using this combination, remove Dell Open Manage Server Agents.
For an updated version and for more information, contact the network
adapter manufacturer or the third-party software vendor.
If the connectoid is getting deleted only as soon as a user is physically
connected to the network, follow these steps:
Restart the computer while it is not connected to the network to see if a
Group Policy object (GPO) is being downloaded.
Start GPresult to find out which GPOs are applied.
Locate and open Group policy/User Configuration/Windows Settings/Internet
Explorer Maintenance/Connection/Connection Settings/. Click to clear the
Delete existing connection settings if present check box. For additional
information about how to use GPresult, click the following article number
to view the article in the Microsoft Knowledge Base:
321709 HOW TO: Use the Group Policy Results Tool in Windows 2000
At the command prompt, type winmgmt /clearadap, and then press ENTER. This
command clears all WMI-related values from the service's performance
registry key. For additional information, click the following article
number to view the article in the Microsoft Knowledge Base:
266416 How to Troubleshoot WinMgmt-Based Performance Counter Errors
The third-party products that are discussed in this article are
manufactured by companies that are independent of Microsoft. Microsoft
makes no warranty, implied or otherwise, regarding the performance or
reliability of these products.
Vijay.S
This posting is provided "AS IS" with no warranties, and confers no rights
