Patch Repository

Windows Server 2012 R2 Standard Edition (x64) Patch Details
Patch Name windows8.1-kb3149157-2012R2-x64.msu
Patch Description Update for Windows Server 2012 R2 (KB3149157)
Bulletin Id MSWU-2116
Bulletin Title Reliability and scalability improvements in TCP/IP for Windows 8.1 and Windows Server 2012 R2 (KB3149157)
Severity Unrated
Location Path windows8.1-kb3149157-2012R2-x64.msu
Bulletin Summary This article describes various network and computer issues that occur when TCP ephemeral ports are exhausted in Windows 8.1 or Windows Server 2012 R2. An update is available to fix these issues. The update also includes additional reliability improvements. Before you install this update, see the Prerequisites section.
Superceding Bulletin Id MS18-SEP6
Patch Release Date Apr 19, 2016

Affected Product Information

Product Name Service Pack Name
Windows Server 2012 R2 Datacenter Edition (x64)Windows Server 2012 R2 Gold (x64)
Windows Server 2012 R2 Essentials Edition (x64)Windows Server 2012 R2 Gold (x64)
Windows Server 2012 R2 Foundation Edition (x64)Windows Server 2012 R2 Gold (x64)
Windows Server 2012 R2 Standard Edition (x64)Windows Server 2012 R2 Gold (x64)
Update 1 for Windows 8.1 and Server 2012 R2Windows 8.1 Update 1
Windows Server 2012 R2 Storage Server Standard Edition (x64)Windows Server 2012 R2 Gold (x64)
Windows Server 2012 R2 Hyper-V Edition (x64)Windows Server 2012 R2 Gold (x64)
Windows Server 2012 R2 Storage Server Workgroup Edition (x64)Windows Server 2012 R2 Gold (x64)
Windows Server 2012 R2 Datacenter (evaluation installation) Edition (x64)Windows Server 2012 R2 Gold (x64)
Windows Server 2012 R2 Server Standard (evaluation installation) Edition (x64)Windows Server 2012 R2 Gold (x64)

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