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Iltexanomontano-7520 asked FanFan-MSFT commented

Windows 2000 server in windows 2012 R2 server Active Directory

I know Windows 2000 is out of support for many years but in Windows 2012 R2 Active Directory I need to communicate to windows 2000 server in the same domain. There is someone who tested this scenario?

windows-server
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FanFan-MSFT avatar image
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FanFan-MSFT answered FanFan-MSFT commented

Hi,

I didn't have a Windows 2000 server for test since it is not supported long time ago.

Based on my research, even it can be added to the domain, there will be compatability problems such as the authentication, the SMB access and other unexpected issues.
It is suggested to upgrate the server.

Similar question for your reference:
https://social.technet.microsoft.com/Forums/ie/en-US/24c3b91d-a17d-4303-9cbe-b3e8f5efdf4e/windows-2000-server-in-windows-2012-domain?forum=winserverDS

Best Regards,

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infact I noted all domain accounts are written as SID (s-1-5-21-20455-....) in file system security even if I can browse all domain entries (both user and groups)

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FanFan-MSFT avatar image FanFan-MSFT Iltexanomontano-7520 ·

Hi,
It is recommended to upgrade your client gradually 。
Best Regards,

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