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replaced motherboard now can't RDP

Posted on 2011-09-14
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Last Modified: 2012-05-12
replaced a server motherboard with embedded NICs. Now I can't RDP. I deleted the old registry entries. all I get is a "cannot connect" reponse. this is whether I rdp to dns name or IP. I can ping the IP though just fine. I've done an ipconfig /flushdns as well. do I need to clear an arp table or something?

windows server 2008 r2 sp1
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Question by:MrVault
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17 Comments
 
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Expert Comment

by:Software_onbekend
ID: 36539297
Check on the server if RDP is enabled.
Check if the windows firewall is allowing RDP sessions.
Check also if the account is member is the local administrators group or ad you r account to the Remote desktop users group.
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Author Comment

by:MrVault
ID: 36539327
rdp is enabled for all types (old and new)

firewall is turned off

i'm logged in as local admin.
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Expert Comment

by:Software_onbekend
ID: 36539387
Have you already checked if the services needed for RDP are started ?
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Author Comment

by:MrVault
ID: 36539442
yes. remote desktop services (no longer terminal services) are started and running just like all the other servers. is there another service that's required?
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Expert Comment

by:Software_onbekend
ID: 36539532
I have the following Services started on my Win 2008 R2.
-Remote Desktop Configuration
-Remote Desktop Services
-Remote Desktop Services UserMode Port Redirector
-Remote Procedure Call (RPC)

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Author Comment

by:MrVault
ID: 36539550
I have those too. No dice.
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Author Comment

by:MrVault
ID: 36539560
I don't get it but it has to have something to do with old NICs. it's like the connection is tied to an old, gone nic in the registry somewhere
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Expert Comment

by:Software_onbekend
ID: 36539631
Can you find any errors in the log files related to this problem...?
Do you see any loggon attemps in the security log ?
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Author Comment

by:MrVault
ID: 36539662
unfortunately no. there are no eventlog entries when I try to rdp in. on my machine it says:

 rdp error
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Accepted Solution

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Software_onbekend earned 500 total points
ID: 36539811
Can you check if the RDP is still listening on his default RDP port.
Perhaps the register key witch controls this is corrupted.....

Google for change RDP port ...You will find the registery to check...
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Author Comment

by:MrVault
ID: 36539950
i checked and according to one article, the settings are all missing, but that may because server 2008 puts it in the rdp-listener subkey instead of rdp-tcp. my rdp-tcp key is completely blank. see article below

http://www.techrepublic.com/blog/datacenter/changing-the-rdp-listening-port-on-windows-server/1939

I also followed tihs article below and it failed. however firewall is off.

http://support.microsoft.com/kb/187628
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Expert Comment

by:Software_onbekend
ID: 36544055
On my Win 2008 R2 is the key stil there.
Screenshot.doc
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Author Comment

by:MrVault
ID: 36544137
did you try deleting and recreating the rdp-listener in admin tools? all those keys are there under rdp-listener, not under rdp-tcp
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Expert Comment

by:Software_onbekend
ID: 36544284
I did a standard installation of Win 2008 R2 Standard.
And only enabled RDP using the gui of win 2008..

If you look at the bottom of the screen shot you will see the complete path of the register..
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Author Comment

by:MrVault
ID: 36544780
Thanks. I wonder if there's a way to restore those settings?
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Author Comment

by:MrVault
ID: 36546023
so i popped in the registry entry from another identical server, then I could get into remote desktop session host configuration. i re-created RDP-Tcp with same settings. I noticed that this server now had 2 - 1 for RDP 7.1 and one for 6. Just for heck of it, I went back to remote tab on computer properties and it had gone back to "not allowed". I put it back in mixed client mode and voila, it worked. so some combination of a corrupted registry, with that setting getting undone and having to recreate the connection in RDSHC was the combination. I'm not writing a how-to for someone else, but chances are it's in there somewhere. I could not find anything online which explains how to reinstall this. only if you had installed rdp ts role could you reinstall the role. thanks for the help!
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Expert Comment

by:Software_onbekend
ID: 36552334
Fine to hear that I have pointed you into the right direction...
And I don't know if it is possible to reinstall RDP...
Perhaps the installation of the TS roule could perhaps also fix the problem as you mentioned..
But that is also a long shot without garanties.

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