When I try to access server remote desktop I receive the following error message:
Access is denied
As you can see, the remote desktop service is working, but do not authenticate.
Useful note: I found this problem on an unchanged installation of windows server 2008 R2 with Forefront TMG 2010 SP1 full updates installed.
Understand this problem:
The remote desktop service is running using “LocalSystem” account. If you compare this registry key with other working server, you can see that you need to leave this server running with “NT AuthorityNetworkService”.
Edit Windows Registry using regedit and go to the following key:
Locate the string value “ObjectName” and edit it to change Value data to “NT AuthorityNetworkService”:
Reboot server and you will gain access via Remote Desktop.
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