Symptoms
The agent status reports "RDP service not available".
In the guestagent.log, we can find the below.
[E 00/00000017/T15D0/P08E0] 17-04-23 14:30:15 - Failed to start Service RasRdpFs (Windows cannot verify the digital signature for this file. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. [0x00000241])
[I 15/00000007/T15D0/P08E0] 17-04-23 14:30:18 - CreateNewVdiAgentConnection: Connected to 10.100.0.130:30006
Cause
RDP is not enabled by Registry or GPO or disabled by some third-party software like Citrix.
Resolution
NOTE: The SYSTEM user must have full control permission on the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server
The following registry parameters should be set according to values:
| Registry key | Parameter | Type | Value |
|---|---|---|---|
| HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\ | TSEnabled | DWORD | 1 |
| HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\ | fDenyTSConnections | DWORD | 0 |
| HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\ | fDenyTSConnections | DWORD | 0 |
| HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon | WinStationsDisabled | SZ | 0 |
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