Windows 7 and 8.1 KB4015552 and KB4015553 update patches available

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Microsoft released the April rollout update patches for Windows 7 and Windows 8.1, but they don’t seem to fix the issue with AMD Carizzo DDR4 processors  detected as next generation processors.

KB4015552 is available for Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1 OSs.

KB4015553 is available for Windows 8.1 and Windows Server 2012 R2.

KB4015552 update patch from April 18, 2017

  • It improved the reliability of dual-controller storage systems.
  • It fixed the issue that prevented MSMQ performance counters from returning data after a clustered resource failure or failover.
  • Is fixed the issue of the updated time zone information.

KB4015553 update patch from April 18, 2017

  • It fixed the issue which caused WsmSvc to randomly crash.
  • It fixed the issue where the Event subscription service stopped working.
  • If fixed the issue of high CPU utilization by the Wmiprvse.exe process on a PC running Windows 8.1 or Windows Server 2010 R2.
  • If fixed the issue of the Hyper-V hosts crashing.
  • It fixed the issue where the NFS server didn’t return all the directory entries to the client.
  • It fixed the issue where the read/write operation of a file that is being archived was declined.
  • It fixed the issue where the Active Directory servers become unresponsive and need a reboot.
  • It fixed the issue that caused the failure of backups on Hyper-V clusters.
  • It fixed the issue where MPIO didn’t properly restore services.
  • If fixed the issue where a node cluster experienced sporadic crashes.
  • It fixed the issue where the printer cannot print OPENGL rastered graphics.
  • It fixed the issue where the BADVERS return path is broken.
  • It fixed the issue that caused poor CPU performance.
  • If fixed the issued where the Internet Information Server returned an internal server error.
  • It now updates time zone info.
  • It fixed the issue where thin clients connected to the server fail and unsaved data is lost.
  • It fixed the issue where an app using Windows Presentation Foundation technology, the mouse, and the touchscreen didn’t respond anymore.
  • It fixed the issue where retrieval of the CRL from CA fails.
  • It fixed the issue of excessive memory usage in LSASS when evaluating LDAP filter.

These two preview patches are mostly destined to system administrators and organizations that need to test patches before they’re deployed. Users can also download and install then, but it is not recommended unless they ship with the main fixes.

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