| Version: | Service Pack | HotFix | Date | Server | Seq | Client | Notes |
| 4.5.2.17140 | SP1 |
KB976338 |
I | I |
I |
Sept 2009 |
4.5 SP1 RTM version.
Supports Windows 7 and Server 2008 R2, third party Kerberos. Improve http and https streaming performance also.