Patch Repository

Windows Server 2012 R2 Essentials Edition (x64) Patch Details
Patch Name Windows8.1-KB3155444-x64.msu
Patch Description Update for Windows Server 2012 R2 (KB3155444)
Bulletin Id MSWU-1954
Bulletin Title PXE client computers freezes during multithread network transfers in Windows Server 2012 R2 (KB3155444)
Severity Unrated
Location Path Windows8.1-KB3155444-x64.msu
Bulletin Summary When you deploy Windows Server 2012 R2 through Windows Deployment Services (WDS) Pre-Boot Execution Environment (PXE), the server CPU usage spikes to 100%. In this situation, client computers may freeze while waiting for a response from the PXE server.
Superceding Bulletin Id MSWU-2039
Patch Release Date May 17, 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)
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)

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