Wednesday, July 10, 2013

Memory leak occurs in the Dwm.exe process on a Remote Desktop computer that is running Windows 8 or Windows Server 2012

A new KB article (2852483) was released yesterday regarding a memory leak running RDS on Windows Server 2012 (or Windows 8).

“…Consider the following scenario:

  • You use Remote Desktop Connection to connect to a remote computer that is running Windows 8 or Windows Server 2012.
  • You disconnect from the Remote Desktop session.
  • You reconnect to the Remote Desktop session, and you specify a different display resolution for the session. For example, you change the display setting in Remote Desktop Connection before you reconnect to the session, or you reconnect to the session from another computer that has a different screen size.

In this scenario, a memory leak occurs in the Desktop Windows Manager (Dwm.exe) process on the remote computer.
Then, assume that you disconnect from the Remote Desktop session and then reconnect to the session many times, and you specify a new display resolution for the session every time. In this scenario, the remote computer may freeze, crash, or experience a decrease in performance…”

“…To resolve this issue, install update rollup 2855336 on the remote computer. For more information about how to obtain this update rollup package, click the following article number to view the article in the Microsoft Knowledge Base: 2855336…”

Source: http://support.microsoft.com/kb/2852483/en-us?sd=rss&spid=16526

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