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Network Connection Problems

Posted on 2012-09-10
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Last Modified: 2012-09-20
An external source hacked our Windows 2003 Server via ASP.NET account, installed Proxy Switcher and Proxy Finder. Upon running a malware scan, machine rebooted. Now, TCP/IP settings-->Network Connections details is null; however, TCP/IP properties are accessible and modifiable.

DHCP, DNS, SQL and many other services will NOT start, even manually. When we modify TCP/IP properties, Windows prompts that the server be rebooted upon saving changes (not protocol).

When attempting to repair local connection, receive error: "Windows could not finish repairing the problem because the following action cannot be completed: Failed to query TCP/IP settings of the connection. Cannot proceed."

When attempting to start local services (i.e. DHCP, DNS), receive error 1068.

We have attempted uninstalling the network driver and allowing the OS to auto detect the driver.
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Question by:Bob Vaal
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LVL 11

Expert Comment

by:acseven
ID: 38384949
Hi,

You can try the following, in case you haven't already:

Check the event log for the services start attempts to check for dependencies failing to start automatically.
Run "sfc /scannow" on the command line just in case something is damaged
Check if you have all these services up and running:
Computer Browser
TCP/IP Netbios helper
Workstation
DHCP Client
DNS Client
Network Connections
Network Location Awareness
Remote Procedure Call (RPC)
Server
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Author Comment

by:Bob Vaal
ID: 38384961
Checked these services ans all are stopped and as I mentioned when attempting to start them, we get an error and the service won't start.
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Expert Comment

by:acseven
ID: 38384967
Have you tried running "sfc /scannow"?
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Author Comment

by:Bob Vaal
ID: 38384970
Running sfc now. Will post results when finished.
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Expert Comment

by:acseven
ID: 38384974
In the meantime, and in case you haven't had the change, check the event log for the error description on starting those services - looking for something related to the origin of the failure (failed dependencies for example).
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Accepted Solution

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Bob Vaal earned 0 total points
ID: 38402122
Ended up calling Microsoft Support - they walked us through many registry entries which allowed us to restore from tape.
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Author Closing Comment

by:Bob Vaal
ID: 38417022
Self-Solved
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