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Remote Access/VNC  access denied

Posted on 2009-04-09
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Last Modified: 2013-11-30
I have a remote computer that is running XP Pro - it is a newly installed computer that is on a network with 20 other XP pro computers.  I can log on to the Server (running Server 2003) via Remote Destop and then I can VNC Viewer to any client computer.  When I VNC to the specific computer (I will call it NEWCPU) i have no problem.  I can also VNC or Remote Destop from the server to any other PC.  If i log off of  NEWCPU and then try to logon via either Remote Destop of VNC Viewer it will not accept any password, thus refusing my attempt to log on.  The next day I can log on to NEWCPU one time only again.  Any ideas as to what may be the problem?
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Question by:mikeplastic
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by:johnb6767
ID: 24113361
Do you know what port VNC is using?

TCPView for Windows v2.54
http://technet.microsoft.com/en-us/sysinternals/bb897437.aspx
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by:mikeplastic
ID: 24115509
In the VNC server settings on the PC to which we are connecting, the connection settings are:

accept connections on port - 5900
serve java viewer via HTTP on port - 5800

I found another case on experts exchange where another user was having the same problem.  If you search for "vnc on rhel" you will see this post.  What they pretty much said there is that logging off can "end/kill the server".  Also, it doesn't appear to happen EVER time we log off.  I just can't find the ryhme or reason for this.  When it does happen, it is after we have logged off of the PC via a VNC connection.
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johnb6767 earned 500 total points
ID: 24119566
Any errors in the Event Viewer,, unser Service Control Manager? Might be some references to the VNC Services... If they are failing, then you might want to look at the Recovery actions, and see what they are set to. If you can simply make it restart on the second, and third actions, it might help.....

Sorry, been a while since I had a need to use VNC.....
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