Hi,
Thank you for posting in Microsoft Q&A forum.
To fix the degradation of performances for Manager version 2303, you can install below hotfix to have a try.
Update rollup for Microsoft Configuration Manager version 2303
Slow data processing in Microsoft Configuration Manager version 2303 after installing KB 21010486
Thanks for your time. Have a nice day!
Best regards,
Simon
If the response 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.