March 21, 2017—KB4012220 (Preview of Monthly Rollup)

Applies to: Windows Server 2012Windows Embedded 8 Standard

This update includes improvements and fixes that were a part of Monthly Rollup KB4012217 (released March 14, 2016). This update also includes these new quality improvements and is a preview of the next Monthly Rollup update. Key changes include:

  • Addressed issue that causes outages and malfunctions in applications when a server machine is set up with the Resilient File System. Scenario triggers include: Use of built-in disk management utility and server manager; Antivirus software scans; Backup activity; Accessing network shares; Calls to the Direct Access Storage Device IO when under heavy load; Using File Explorer.
  • Simplified listing of Approved Servers in the Point and Print group policies by allowing wildcards in the server name.
  • Addressed issue that produces corrupted output when you use the fread() function to read data from a pipe.
  • Addressed issue that causes USB eXtensible Host Controller Interface devices to disconnect after connecting to an Intel Skylake PC.
  • Addressed issue that leads to a read I/O latency of > 70 milliseconds when the disk commit exceeds 90%, < 16 GB commit available, and the paging file is at its maximum size.
  • Addressed issue that causes the Remote Desktop Gateway Management Console to fail when you install the latest .NET framework 4.6.1 updates.
  • Addressed issue to update time zone information.
  • Addressed issue that causes servers to randomly lose the ability to make outbound TCP connections. The TCPIP log shows Events 4227 and 4231. http://support.microsoft.com/en-us/kb/3078411. 
  • Addressed issue where when a failover cluster fails over from one server to another, a clustered IP address resource does not come online and causes the failover to fail.

For a complete list of affected files, see KB4012220.