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On a Windows7 Pro the remote desktop stopped beeing available.
This is what I checked:
- Port
3389
is not available from extern (telnet .... 3389
does not work buttelnet .... 445
works) netstat
shows that there is no prozess listening at port 3389- "Remote Settings" is configured with
Allow connections from computers running any version of Remote Desktop ...
- the
services
(Remote Desktop Services, Remote Desktop Configuration and Remote Desktop Services UserMode Port Redirector are running) - The service
Cryptographic Services
is also started - windows
firewall is disabled
no third party firewall
is installed- In the registry is port 3389 configured at
..\Control\TerminalServer\WinStations\RDP-Tcp
- resetted the ip stack but without success
The customer says that it was working in the past.
Edit
In the netstat log (netstat -abn) isn't any entry like
TCP 0.0.0.0:3389 0.0.0.0:0 LISTENING
and telnet
telnet 10.15.100.101 3389
does not connect from the localhost and from a remote host in the same network, although the firewall is disabled and other ports (like 445) do listen and do answer.
Edit2
Found a similar thread here and the suggestion it may be caused by: KB2830477. Didn't help.
Is the Checkbox in the remote settings unchecked where it says only allow connections from computers with NLA ? also, are you 100% positive the port forward redirects it to the correct IP Address? if you try it locally from another computer can it connect? What has changed for the customer. – Kage – 2016-09-03T16:53:17.167
About NLA: Don't have teamviewer connection any more, can't answer it now. But look at my recent edit. I don't think that the cause on this level or on routing. – marsh-wiggle – 2016-09-03T17:12:36.873
is the "Remote Desktop Services" service running? that spawns the process that should listen on 3389
TCP 0.0.0.0:3389 Server01:0 LISTENING TermService.
And if it isnt running do you get any eventlog errors when trying to start it, or eventlog errors after rebooting the system – Kage – 2016-09-03T17:15:25.757
Also in the task manager if you check processes and show the column "Command line" you should find a entry under svchost.exe with as commandline "C:\windows\system32\svchost.exe -k termsvcs" – Kage – 2016-09-03T17:20:31.310
@Kage Look at my posting:
the services ( .. are running)
. Compared the command lines with another well working W7, no difference. – marsh-wiggle – 2016-09-03T17:29:10.830