WSUS server faults

Fault:
A fault occurs when you open the WSUS console, and WSUS cannot enter normally.

 

Connection error prompt: 7032 and 7053 errors are reported in the application in the Event Viewer)
The WSUS console cannot connect to the WSUS server through a Remote API.
Make sure that the Update Services Service, IIS, and SQL are running on the server. If the problem persists, restart IIS, SQL, and Update Services.
The WSUS console encountered an unexpected error. This may be a temporary error. Please try restarting the console. If the error persists,
Please try to delete the permanent preferences of the console by deleting the wsus file under % appdata % \ Microsoft \ MMC.
System. IO. IOException -- the handshake fails due to the unexpected data packet format.

Fault Analysis: This fault occurs because the IP address is changed in IIS.
Solution: Open IIS manager, default website-properties-website, change the specific IP address in the IP address bar to "all unallocated", and then troubleshoot.

I would like to write a document to commemorate the occurrence of this fault.