We recently upgraded from ePO 4.0 to 4.5. After the upgrade, all tags that were set to evaluate on every ASCI are removed upon checkin. All tags are still listed in the DBO.EPOtag table. If we run the specific tag criteria, it finds all of the systems that should be tagged and we can tag them at that point. As we watch the system check in with the ePO, the tags are removed. We've tried deleting and recreating the tags but they are still removed. The systems still meet the criteria of the tags. Many are simple criteria such as "OS Platform equals Server" yet the tag is removed upon the next ASCI. Has anyone seen this before or can you give us a clue where to look to determine the cause?