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Windows Server single-path and MPIO configuration recommendations for SC Series storage
51 Dell EMC SC Series: Microsoft Multipath I/O Best Practices | CML1004
A Windows Server single-path and MPIO configuration
recommendations for SC Series storage
Observe the following guidelines before using this section.
• The recommended updates and hotfixes in this section list the names (msdsm.sys, mpio.sys,
storport.sys, and msiscsi.sys) and modified dates of storage-specific files that are loaded when the
associated update or hotfix is applied. If a newer version of the file listed is already loaded on the
server, the recommended update or hotfix does not need to be loaded.
• In some cases, prerequisite updates must be installed on the server before the following hotfixes can
be installed. Read the prerequisite information for each applicable hotfix before proceeding. Updates
and hotfixes are listed in the order in which they should be installed.
• The following registry settings should be made on all Windows Server hosts that use the Microsoft
DSM to access LUNs on SC Series arrays to ensure proper behavior and performance. This includes
hosts configured to use single-path and MPIO.
A.1 Recommended updates and hotfixes for Windows Server 2008
R2 SP1
See the Microsoft Update Catalog to locate specific KB downloads.
Recommended updates and hotfixes for Windows Server 2008 R2 SP1
KB number
Title
Link
KB3125574
Convenience rollup update for Windows 7 SP1 and
Windows Server 2008 R2 SP1 (May 2016)
msdsm.sys version 6.1.7601.23403 (3/25/16)
mpio.sys version 6.1.7601.23403 (3/25/16)
msiscsi.sys version 6.1.7601.23403 (3/25/16)
storport.sys version 6.1.7601.23403 (3/25/16)
http://support.microsoft.com/kb/3125574