Cut off from domain

I have a domain server running Windows Server 2008 R2, Service Pack 1.  From a client running Windows 10, I try to log in to The Client itself as Administrator using DomainName\Administrator and then typing in the password.

I get we cant sign you in with your credentials because your domain isn't available.  I just logged into the Domain Server with these credentials so I know they are correct.

Please help,

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Shaun VermaakTechnical Specialist/DeveloperCommented:
DNS client configuration of server pointing to DC?
RobertSystem AdminCommented:
I don't recommend using the domain "administrator" account that said you could try using

If there is an issue with the machines domain account it may prevent logon or the administrator account may be restricted to only be able to logon to specific machines.

If you can logon to that machine with another domain account then the issue is likely with the administrator account.
if you cannot logon with any domain accounts then logon with the local administrator account and rejoin the machine to the domain to fix the machines domain account.

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Radhakrishnan RSenior Technical LeadCommented:

Is any other user able to login to that machine? just to clarify - Is that machine joined to domain?. Is the n/w card adapter showing active (make sure it's not disabled and getting IP address, DNS etc correctly)?

If issue persists, and you are able to login with local user account. I would suggest to rejoin to the domain.
MacleanSystem EngineerCommented:
1] Check that you have a network connection
2] Check that PC is in the correct IP range using proper Gateway and DNS servers.
3] Make sure your switch is routing to the correct subnet from the port the system is patched into.
4] Check that you can ping the Domain Controller or Gateway
5] Try rejoining the domain if all the above check out ok.
Biggles1Author Commented:
"if you cannot logon with any domain accounts then logon with the local administrator account and rejoin the machine to the domain to fix the machines domain account. "

This worked!
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