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MSTSC to Windows XP machine from Windows 7 not working...

Posted on 2010-11-17
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Last Modified: 2012-05-10
Hi,

I'm having a problem connecting to Windows XP machines from my Windows 7 Pro x86 machine. I keep getting the following error:

"The client could not establish a connection to the remote computer.

The most likely causes for this error are:
1) Remote connections might not be enabled at the remote computer.
2)The maximum number of connections was exceeded at the remote computer.
3) A network error occurred while establishing the connection.
4) The remote computer might not support the required FIPS security level. Please lower the client side required security level Policy, or contact your network administrator for assistance"

For reference, remote connections are enabled, no one else is connected remotely to that PC, and I'm not sure about what 4) means.

Thanks,
Emanouil Spassov
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Question by:adminpps
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2 Comments
 
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Accepted Solution

by:
bluemeln earned 500 total points
ID: 34157689
Can you ping the XP machines from teh Win7Pro machine?
Windows Server 2003 and Windows 7 are using FIPS compliant encryption Levels, which Windows XP cannot handle. Microsoft recommends turning off FIPS or using an older version of the Remote Desktop client.

Here is the link for downloading the older Remote Desktop Client
http://support.microsoft.com/kb/925876/

This link explains how to disable FIPS compliance.
http://support.microsoft.com/kb/811770
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Author Closing Comment

by:adminpps
ID: 34158874
I went ahead and disabled FIPS compliance through the local policy and I can connect to that machine now. Thanks.
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