Question : Problem: Blackberry BES and Exchange 2007 can't email distribution list

We have Exchange 2007 SP1 and blackberry BES 4.1. Users can send a email to a Distribution group or dynamic distribution through Exchange but from their Blackberry devices I can't lookup the distribution or email the address directly. It will only ask to resend which fails.

Answer : Problem: Blackberry BES and Exchange 2007 can't email distribution list

Doh a service that syncs the messages wasn't enabled and tried this

http://www.blackberry.com/btsc/search.do?cmd=displayKC&docType=kc&externalId=KB12522&sliceId=2&docTypeID=DT_SUPPORTISSUE_1_1&dialogID=88024425&stateId=0%200%2088026872