When it's activated on the BES, it sets Calendar, Address Book, etc. as wireless sync. When it's set to wireless sync, it will not allow it to update those databases via DM.
You could go into options of each of those applications and set wireless sync as no and it will allow you to restore.
The difference between stupidity and genius is that genius has its limits.
When you take things for granted, the things you are granted, get taken.
Even a mosquito doesn't get a pat on the back until it starts to work.
Too many people miss the silver lining because they're expecting gold.
[BES 5.0.3 / GroupWise 2012 HP2]