This week Microsoft posted an updated to the iSCSI initiator for pretty much every version of Windows prior to Vista (the full list: Windows 2000 Service Pack 4; Windows Server 2003 R2 (32-Bit x86); Windows Server 2003 R2 Datacenter Edition (32-Bit x86); Windows Server 2003 R2 Datacenter x64 Edition; Windows Server 2003 R2 Enterprise Edition (32-Bit x86); Windows Server 2003 R2 Enterprise x64 Edition; Windows Server 2003 R2 Standard Edition (32-bit x86); Windows Server 2003 R2 Standard x64 Edition ; Windows Server 2003 R2 x64 editions; Windows Server 2003 Service Pack 1; Windows Server 2003 Service Pack 1 for Itanium-based Systems; Windows Server 2003 Service Pack 2; Windows Server 2003 Service Pack 2 for Itanium-based Systems; Windows Server 2003 Service Pack 2 x64 Edition; Windows Server 2003, Datacenter Edition for 64-Bit Itanium-Based Systems; Windows Server 2003, Datacenter x64 Edition; Windows Server 2003, Enterprise Edition for Itanium-based Systems; Windows Server 2003, Enterprise x64 Edition; Windows Server 2003, Standard x64 Edition; Windows Server 2003, Web Edition; Windows Small Business Server 2003 ; Windows XP 64-bit; Windows XP Professional 64-Bit Edition (Itanium) ; Windows XP Professional 64-Bit Edition (Itanium) 2003; Windows XP Professional Edition ; Windows XP Service Pack 2).

The listed fixes included in 2.07:

1. Fix data written twice when spanning tapes on an iSCSI target virtual tape drive.
2. Fix Bugcheck in iscsiprt on getting storage device ID property.
3. Fix iscsiexe can leak memory on discovering targets.
4. Fix initiator leaks handles when refreshing the list of persistent targets
5. Fix MSISCDSM leaves stale Registrations under certain conditions
6. Fix persistent Reservation not propagated across paths

MPIO 1.21 fixes (included in 2.07)

1. Fix system hang that could occur due to race condition between path recovery and new path arrival.
2. Fix install sample to use the correct MPIO hardware identifier on Windows Server 2008
3. Fix memory leak in MPIO
4. Fix system hang that could occur during total path failure in a Cluster environment.
5. Fix MSDSM to update statistics for the correct path
6. Fix MSDSM logic for retrying Persistent Reservation commands

You can download the new version here: http://www.microsoft.com/downloads/details.aspx?familyid=12cb3c1a-15d6-4585-b385-befd1319f825&displaylang=en&tm

• User's Guide for iSCSI initiator
• Iscsi Initiator Release notes for 2.07