New ConfigMgr 2007 KB article: KB973762 - A package that is several gigabytes is not updated on a branch distribution point (BDP) in System Center Configuration Manager 2007 Service Pack 1

Consider the following scenario in System Center Configuration Manager 2007 Service Pack 1 (SP1):

• You create a large package that is several gigabytes.
• You assign the package to a branch distribution point (BDP).
• You repeatedly change the package. Every time that you change the package, the package is updated on the BDP.

In this scenario, the changes are not updated on the BDP. This problem occurs randomly.

If you're experiencing this issue there's a new hotfix available to address it.  See the link below for details:

KB973762 - A package that is several gigabytes is not updated on a branch distribution point (BDP) in System Center Configuration Manager 2007 Service Pack 1

The Configuration Manager Support Team Blog : New ConfigMgr 2007 KB article: KB973762 - A package that is several gigabytes is not updated on a branch distribution point (BDP) in System Center Configuration Manager 2007 Service Pack 1