Hi,
Thank you for posting in Microsoft Q&A forum.
Agree with JanDeHud. Changing the IP Address is no problem, just make sure the change is reflected in DNS. However, changing the hotsname of a site server or site system is completely unsupported and will break things. Per the official document: Site and site system prerequisites for Configuration Manager
After a site system server is installed, it's not supported to change:
The domain name of the domain where the site system computer is located (also called a domain rename).
The domain membership of the computer.
The name of the computer.
Thanks for your time. Have a nice day!
Best regards,
Simon
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