Windows 7/8.1: Preview Rollups KB4015552 and KB4015553

Windows UpdateMicrosoft has released the monthly preview rollups KB4015552 and KB4015553 for Windows 7 SP1 and Windows 8.1 on April 18, 2017. Here are a few details.


Preview updates will be rolled out in a final version on next months patch day (which will be May 9, 2017 for the Preview Rollups KB4015552 and KB4015553)

Update KB4015552 for Windows 7

Update KB4015552 (Preview of Monthly Rollup for Windows 7 SP1 and Windows Server 2008 R2 SP1) contains the improvements and fixes from rollup KB4015549 (April 11, 2017) and the following quality improvements:

  • Addressed issue to improve the reliability of dual-controller storage systems.
  • Addressed issue that prevents V2 Message Queuing (MSMQ) performance counters from returning data after a clustered resource failure or failover.
  • Addressed issue to updated time zone information.

Systems with AMD Carrizo DDR4 processor won’t receive further updates after installing this patch. Microsoft is working on a fix (since March 2017). I should also mention, that this patch contains probably the CPU check to block updates on 7th generation CPUs (although Microsoft didn’t mention it). Nevertheless, my recommendation is to hide this update.

Update KB4015553 for Windows 8.1

Update KB4015553 (Preview of Monthly Rollup for Windows 8.1 and Windows Server 2012 R2) contains the patches from monthly Rollup KB4015550 (April 11, 2017) and the following quality improvments:

  • Addressed an issue that may cause the WSMan Service (WsmSvc) to crash randomly when multiple Windows Remote Management (WinRM) requests are being executed in the WSMan Service.
  • Addressed issue where the Event subscription service stops working, does not send events to the collector server, and drop events when using Windows Remote Management (WinRM) and event forwarding.
  • Addressed high CPU utilization by the Wmiprvse.exe process on a computer that is running Windows 8.1 or Windows Server 2012 R2. If you run scripts or use software that queries WMI, the Wmiprvse.exe process may consume a lot of CPU resources even after you stop the script or software.
  • Addressed issue where Hyper-V hosts may crash when performing incremental backups with Change Block Tracking (CBT) enabled.
  • Addressed issue where the Network File System (NFS) server may not return all the directory entries to the NFS client that issues the ‘ls’ command using the NFS v3 protocol.
  • Addressed issue where the read or write operation on a file that is being archived (converted) is declined, which causes a crash.
  • Addressed issue where Active Directory servers become unresponsive and must be rebooted when they have a heavy load of services using group-managed service accounts (gMSAs).
  • Addressed issue that caused backups to fail on Hyper-V clusters with CSV volumes enabled.
  • Addressed issue where MPIO did not properly restore service after the check condition „Illegal request, LUN not available (sense codes 05/25/00)“ occurs.
  • Addressed issue where a node cluster experiences sporadic crashes during high I/O activities such as backup or maintenance windows. Error: Common bucket ID  (WIN8_DRIVER_FAULT) – 0x3B_msiscsi!iSpReleaseConnectionReferences
  • Addressed issue where the printer cannot print OPENGL rastered graphics after installing any of the following updates: KB3164035, KB3205394, KB3207752, KB3212646 and KB4012215.
  • Updated the Access Point Name database.
  • Addressed issue where the BADVERS return path is broken for queries with an unknown Extension Mechanisms for DNS (EDNS) version.
  • Addressed issue that causes poor CPU performance when Virtual Switch Ports leak when a machine is migrated live from one host to another.
  • Addressed issue where Internet Information Server returns an incorrect 500.19 internal server error for certain URIs. 
  • Addressed issue to updated time zone information.
  • Addressed issue where thin clients connected to the server fail (STOP 0x3B) and unsaved data is lost.
  • Addressed issue where an application that uses Windows Presentation Foundation technology, the mouse, and the touchscreen intermittently stop responding.
  • Addressed issue where retrieval of the Certificate Revocation List (CRL) from Certification Authority (CA) using the Simple Certificate Enrollment Protocol (SCEP) fails.
  • Addressed excessive memory usage in LSASS when evaluating an LDAP filter over a large record set on domain controllers.

Also, systems with AMD Carrizo DDR4 processor won’t receive further updates after installing this patch. My recommendation is to hide this update.


BTW: A few additional details may be found also at

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