Unable to RDP to WINDOWS 2008 Server from internal client machines and getting generic error

Following is the summary of the troubleshooting and the steps taken to resolve the RDP issue.

- Tried to RDP using admin switch to localhost.

Error: Generic error.

- Ran tasklist and netstat -ano. This is to check if 3389 port listening as Terminal Services listen on port 3389.

a. Start Registry Editor.

b. Locate the following subkey in the registry, and then click Parameters:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters

c. Double-click the MaxUserPort value, type 50000 (decimal) in the Value data box,

and then click OK.

d. Locate the TcpTimedWaitDelay value under the following key in the registry:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters

e. Double-click the TcpTimedWaitDelay value, type 30 in the Value data box, and

then click OK.

f. Closed registry editor and opened command prompt

g. executed these commands

netsh int tcp set global chimney=disabled

netsh int tcp set global rss=disabled

netsh int ip set global taskoffload=disabled

netsh int tcp set global autotuninglevel=disabled

netsh int tcp set global congestionprovider=none

netsh int tcp set global ecncapability=disabled

netsh int tcp set global timestamps=disabled

i. Reboot the server.