User Profile synchronization is not working in SharePoint server 2007, Event id 5555
If the user profile is not synchronizing after you changed the property of the user property on SSP and if you found the following error message in your event log
then follow the following solution steps.
open the command prompt and run the following command.
stsadm -o sync -DeleteOldDatabases 0
then it removing the old data.
Now it should work properly.