Hi Thiago B Andrade,
Thanks very much for your feedback and sharing. Here's a short summary of the problem. It's appreciated that you could click "Accept Answer" to the helpful reply, this will help other users to search for useful information more quickly.
Problem/Symptom:
Tried to upgrade SCCM to version 2409, but got stuck at Upgrade ConfigMgr Database step with below entry in CMUpdate.log.
[CONFIGURATION_MANAGER_UPDATE] is currently blocked in database by another session.
Solution/Workaround:
Ended up stopping the Configuration Manager Update Service manually. Tried to put the database in offline mode, but it failed. Then restarted SQL service to flush the lock.
After that, restarted the Upgrade process and everything went fine and it is concluded.
Thanks again for your time. Have a nice day!
Best regards,
Simon
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