Access denied for RDP using domain user accounts

After having to rebuild a RAID 5 configuration on a DELL controller I did a complete computer recovery of Windows server 2008 running terminal server.  Now I can only log into that server using the computer\username account and not any domain\username accounts.

Also, all users in the Remote desktop group show up as the S-1-5-21-78943516+74346846135468 numbers.

I have tried to also Register the Service Principal Name for the terminal server and I get an access denied.

Thanks for your help.
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Gustav BrockCIOCommented:
It has probably lost its trust.

Remove the server from your AD. Reboot and rejoin it to the AD. Reboot.


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Phy2015Author Commented:
Thanks Gustav,
That was the quick & accurate solution.
Thank you for your prompt response.
Gustav BrockCIOCommented:
You are welcome!

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