Can XP join or communicate Domain Controllers after June 2023

Hi,

Thank you for posting in Microsoft Q&A forum.

What operating system is your domain controller? You should be able to join Win XP to a domain with a domain controller running Windows Server 2016. Under some circumstances you should be able to join Win XP to a domain with a DC2019. However, you can find many discussions describing issues with joining it to a domain with a DC2019. Some people fixed it by installing specific KBs on the Win XP machine (for instance KB969442, KB968389, etc.), some people claim it's due to the RC4 cipher.

You can try to install these KBs and see but you'll be very lucky if you ever get it working. Similar thread for your reference. Windows XP and Active Directory 2019

However, Windows XP is long out of support, and because there is no longer support there also is no patching or testing for XP scenarios. So while it may work today there's really no guarantee for tomorrow.

Thanks for your time. Have a nice day!

Best regards,

Simon

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