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Several users work from home once a day. They RDP to their workstations (running Windows 7) from home and then when they arrive in the office the next day, they login locally again.

When they login locally, they type their passwords and then the screen goes black. They can't lock or ctrl-alt-delete either.

Anyone else seen this?

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is it possible for them to restart the workstation instead of only logging off (whole @ home), might solve the problem. But i have no idea why this is happening. –  Sickest Jan 31 at 9:35
    
This could be a graphic card issue (resolution issue)... Are you users logging off or disconnecting? –  Dave Jan 31 at 10:17

1 Answer 1

As mentioned, this sounds like a video problem, but you can try to find the root cause. To root cause the issue, I would set up a VM on a Hyper-V host with the exact same configuration as the OS that the users have (I assume they all have the same OS). If possible, get a VHD with the same configuration.

Then, I would set up the Hyper-V host / VM for kernel debugging - see here: http://blogs.msdn.com/b/ntdebugging/archive/2011/12/30/configuring-a-hyper-v-vm-for-kernel-debugging.aspx (though you might need to update some of the info on that page since you didn't specify the OS). Then, try to replicate the scenario - have any of the users log in to that machine (from home), logout / disconnect and then try to login from the Hyper-V console. If nothing happens, it's most likely a hardware / driver problem (not sure how you can debug those). If you do hit a kernel / user break, most likely a service such as termsrv is at fault and you can take it up with Microsoft from there.

If it is a hardware problem, try to see if your video card manufacturer has some newer/beta drivers for your OS/hardware configuration.

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