Version: Service Pack HotFix Date Server Seq Client Notes
4.5.3.19901  SP2 HF 1
KB2432506
     

 December 2011  Contains 4.5 SP1 Hotfixes 3, 4, and 5.

Link to KB2432506

Includes hotfixes for SP1 that came out after the SP2 RTM was release:

  • Failure when SftMime command is run too quickly.  Also PackageSourceRoot issue.
  • "Starting Launch" hang
  • Error 0A-0000E01E when you run out of cache space at the client.