Hello
Thank you for your question and reaching out. I can understand you are having query\issues related to SCCM ip change.
There should be no issue if you change SCCM ip as it should be used using Host or FQDN name.
Just make sure its ip also gets changed from DNS records.
Reference:
https://learn.microsoft.com/en-us/answers/questions/70980/change-system-server-ip
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