The vendor has published 2 unique mention(s) for this bug: 1. The Profile Management service might crash when active write back is enabled. [UPM-11652] 2. The User Profile Manager service (UserProfileManager.exe) might exit unexpectedly because of a race condition on the mid-session synchronization thread parameters. Latest urls for this bug: 1. https://docs.citrix.com/us/en/profile-management/2507-ltsr/whats-new/cumulative-update-2/fixed-issues.html 2. https://docs.citrix.com/us/en/profile-management/2607-ltsr/whats-new/fixed-issues.html