In my experience the easiest way to solve the problem with roaming profiles is to create a new profile and copy all the data from the old profile.Usually this is much faster than trying to find out what went wrong with the profile.Those users didn't find the last version of their profile on their new computer because their profile was not updated anymore on the server.
Usually I don't realize that the synchronization failed because I got no error messages. That's why this is really annoying since I only realize weeks after, that my data was not backed up anymore.
The question is: What can you do if a roaming profile is not synchronized anymore with the server? If you check the Microsoft knowledge base you will find many possible causes.
All you have to do is adding them to in the root folder of the user profile.
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One of its services was running under my own user account.
I changed it to another account, et voilá, my user profile synchronized again with the server.Consider excluding the below files from anti-virus scans and/or on-access scanning.When we recently rolled out about 250 computers, three users had problems with their roaming profiles.You will find even more possible causes if you google for that problem.A typical cause is a filename in the user profile which is longer than 260 characters.And for indivudials wishing to obtain the Enduser Protection Certified Architect certification.