Addresses an issue that causes VM Live Migration to fail because vhdmp.sys receives different file control block (FCB) object pointers for the same file. Addresses an issue that displays the authentication dialog twice when you mount a network drive.

Summary. This article describes the update rollup for Windows 8 and for Windows Server 2012 that is dated April 2013. This update rollup package includes performance and reliability improvements for Windows 8 and for Windows Server 2012. We recommend that you apply this update rollup as part of your regular maintenance routines.

Vhdmp.sys. 6.1.7600.20714. 482,688. 18-May-2010. 02:04. IA-64. Workaround. Important Follow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.

Templates. A list of Excel training, from entry level to advanced skills, plus templates and other resources.

Vhdmp.sys. 6.1.7600.20666. 217,480. 12-Mar-2010. 08:43. x64. Status. Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. More Information. For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

Here are some things to try: Make sure that your drivers are current by checking for the latest Windows updates. Select the Start button > Settings > Update & Security > Windows Update > Check for updates . Next, restart your device: Select Start > Power > Restart. Verify that your device has the latest updates. For more help, see Resolving ...

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed in the "Additional file information" section.

For every IO issued by svhdxflt, VHDMP believes that there is an Activity ID. VHDMP enables this Activity ID tracing which results in the unnecessary nonpaged pool memory usage. Note For the shared .vhdx of the Cluster Shared Volume (CSV), the memory leak may occur on the Hyper-V server that hosts the Virtual Machine (VM).

Symptoms. When you remove a virtual disk device (VHD or VHDx file) in Windows 8.1 or Windows Server 2012 R2, extraneous log entries that resemble the following are created:

Issue 1. Snapshots that are no longer being used are not cleaned up. Therefore, Volume Shadow Copy Service (VSS) snapshots may accumulate on Cluster Shared Volumes (CSV) and guest virtual machines.