Cant RDP Through VPN to Anything On A Specific Domain On The Network
Ok heres one for all you MS gurus out there (hopefully one of you reads this!) I have OpenVPN Client/PFSense VPN server setup for all our remote workers/users working from home. No problems at all with any of them, they can access everything on the private network just fine, across multiple domians and subnets. One user (theres always one!) is having a bizarre problem, all of a sudden they cant remote into their office PC through VPN from home, or any other remote location. They are able to see everything on the network just fine, route print and ping tests show this. They are able to RDP/telnet/ssh into anything on our network and on other domains apart from anything on one specific domain(lets call it domain-X), thats the head office one, the one her desktop computer is on, and needs to be on. She is using windows Vista, with all the updates. Domain-X domain controller is running on Server 2008 What happens when she attempts an RDP connection to anything on domain-X, is: "An Authentication Error has Occurred (Code: 0x507) Remote Computer: 192.168.101.76" She can however RDP into our old domain controller (192.168.101.2) which is ofcourse on a different, old and unused domain (dont know why we still have this server on tbh..) This is ofcourse on the same network/subnet as other PC's/Servers she cannot reach via RDP. So basically ive deduced its something to do with domain-X. Ive tried these things, just incase its some sort of error/glitch in the registry on her PC to do with saved credentials. Deleted the default.rdp file from the My Documents folder. Deleted the MRU entry from the registry, HKCU\Microsoft\Terminal Server Client\Default Disabled save passwords in the future on RDP client in the registry: start->run->gpedit.msc>user configuration -> Administrative templates ->Windows components -> Terminal services -> Client: Do not allow passwords to be saved" set to enabled. One thing I did notice is that int the RDP connection panel on her PC under Local Resources>More>Smart Cards was enabled, I disabled this but it still does not work, perhaps there is some lingering setting in registry still wanting to conenct using smartcard but cant find where to change/remove this. My best guess is that it has something to do with the domain controller for domain-X, and there has been some stuff up with the security certificate between her PC and this domain controller, have no idea where to reset/fix this though. I really dont want to reinstall windows on her PC just for this, seems a bit drastic, there MUST be a way to fix this. Any ideas anyone? Edit: Just to add, while connected via VPN from home the user is able to map a network drive to \\192.168.101.28, and is able to view shared files . (this is her work desktop PC, she cannot RDP into). Also, I am able to RDP into her PC with her credentials from my own home through VPN.
February 23rd, 2010 7:53pm

Well it seems there is no solution to this problem. Installed windows 7, problem dissapeared. What a shock. Vista really is a dog of an OS..
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March 1st, 2010 2:48pm

Start the RDP client, and choose the computer that she wants to connect to from the drop down box. Click on the options button at the bottom of the Window, then on the Advanced Tab. There are two options on that tab - "Server Authentication" and "Connect from Anywhere" - try comparing those settings to one of the computers she can connect to, or even better check them with YOUR settings for the same computer that she is trying to connect to.
March 2nd, 2010 12:18am

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