Hi @SHUO .H ,
Whether this issue happens to all the site collections or just team site collection?
Per my research, I didn't find any useful information about this issue. Sorry for the inconvenient user experience. I suggest you create a service request to get furthur help there.
If an Answer is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.
Hi @SHUO .H ,
Unfortunately, there is no testing result regarding this issue. Only some articles like this:
https://learn.microsoft.com/en-us/sharepoint/security-for-sharepoint-server/security-hardening
Hi @SHUO .H ,
I'm checking how the things are going on about this issue. Is there any progress on this issue?