Windows Server 2008 SP2 Windows Server 2008 R2 Microsoft Multipath I/O (MPIO) and Microsoft Device Specific Module (DSM) Windows 2008 SP2 or R2-based Server connected to NetApp SAN using Microsoft Mul...Windows Server 2008 SP2 Windows Server 2008 R2 Microsoft Multipath I/O (MPIO) and Microsoft Device Specific Module (DSM) Windows 2008 SP2 or R2-based Server connected to NetApp SAN using Microsoft Multipath I/O (MPIO) and Microsoft Device Specific Module (MS-DSM). In this scenario, when multiple paths are lost concurrently, host loses access to the storage (LUN). a "System Event ID 33" error message, indicating "Microsoft DSM returned a bogus Path to <MPIO device identifier>", is encountered.
