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TroubleshootingRSS

VMware Virtual Machine troubleshooting

Repairing a virtual disk in Workstation (2019259)

The virtual machine fails to start after a forced host shutdown. The virtual machine does not boot after a failure. When starting the virtual machine, you see an error similar to:Cannot open the disk 'path_to_virtual machine/virtual_disk.vmdk' or ...
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Created
Poor mouse performance on Windows 2008 R2 virtual machine or a Windows 7 virtual machine (2004145)

The virtual machine is using the SVGA video driver supplied by VMware Tools. However, it is not the WDDM video driver.

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Virtual machines residing on NFS storage become unresponsive during a snapshot removal operation (2010953)

During a snapshot removal operation, virtual machines residing on NFS storage become unresponsive. You are using a VADP-enabled backup solution, such as VMware Data Recovery, which uses the hot-add method. When removing snapshots after backing up a vi ...
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Troubleshooting when Virtual machine operations are greyed out

Hello, I am a Technical Support Engineer at VMware. I would like to talk about an issue I worked on recently with a customer that may come up for other users. The Support Request (SR) came to me with this description: “The Virtual Machine options are not ...
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Large packet loss at the guest OS level on the VMXNET3 vNIC in ESXi 5.x / 4.x (2039495)

Symptoms When using the VMXNET3 driver on ESXi 4.x and 5.x, you see significant packet loss during periods of very high traffic bursts. Cause This issue occurs when packets are dropped due to high traffic bursts.

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PCoIP Packet Loss? Don’t Blame the Network!

Several months ago I was called into a new customer to diagnose some odd behavior in their VMware View environment. The organization was struggling with constant disconnects and generally poor performance on their View desktops. When users weren’t being r ...
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Disabling Time Synchronization (1189)

In the VMware Tools control panel, the time synchronization checkbox is unselected, but you may experience these symptoms: When you suspend a virtual machine, the next time you resume that virtual machine it synchronizes the time to adjust it to the ho ...
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Confirming the correct TCP/IP ports are open for Virtual Desktops (1026766)

Multimedia Redirection is not working properly Cannot connect to your virtual desktop via Microsoft RDP Cannot connect to your virtual desktop via PCoIP USB devices are not redirecting properly

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Inconsistent Windows virtual machine performance when disks are located on SAN datastores (1014)

Windows virtual machines may experience intermittent issues when stored on datastores presented from non-local storage. This issue may be encountered on virtual machines that use SAN, NFS or iSCSI storage.    These issues may include ...
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Veeam Backup and VIX libraries: howto backup networkless VMs using VSS (vuemuer.it)

Since Microsoft introduced VSS libraries, it’s a smart way of doing backup using them, in order to guarantee a consistent backup of applications supporting them. Veeam can do backups without the help of permanent agents inside the virtual machines, anywa ...
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Slow virtual machine performance or Web UI response problems (1003752)

To resolve this issue, check if a process is consuming RAM. If this is not causing an issue, apply an ESX patch.To check if processes are consuming RAM, inspect the Windows Event Viewer and check  if any process is consuming excessive RAM. ...
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Ctrl-Alt-Insert key combination does not work over an RDP session (1025282)

In some circumstances, it may be helpful to use the console option of a vSphere Client from over an RDP connection using the Windows Remote Desktop Connection utility.   However, when using the Remote Desktop Connection utility, you cannot use ...
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Repairing orphaned VMs after an ESXi host got permanently lost

After a complete shutdown of an ESXi environment, I had some issues with one ESXi host while attempting to start it. The SD card containing the ESXi image became corrupted, which forced me to replace the SD card and reinstall ESXi. After the installation ...
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How to – kill a running virtual machine process with ESXTOP

Sometimes it is necessary to kill a running virtual machine process (eg. if there is locked file).

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Windows 2008 virtual machines lose their Gateway IP address after rebooting (1016878)

After every reboot, Windows 2008 virtual machines lose their Gateway IP address Gateway IP address is lost or reset after rebooting

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Windows virtual machines execute chkdisk at every boot (2050372)

Windows 2008 and Windows 7 virtual machines run chkdskevery reboot. Windows is not set to automatically run chkdskon every reboot. Executing chkntfs c: from a Windows command prompt shows the drive as dirty.

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Troubleshooting ESX/ESXi virtual machine performance issues (2001003)

Services running in guest virtual machines respond slowly Applications running in the guest virtual machines respond intermittently The guest virtual machine may seem slow or unresponsive

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Why aren’t my VM’s sysprepping? Have you recently installed I.E. 10?

I ran into a situation recently where I noticed that one of my 2008 R2 SP1 templates would simply not complete or really even start it’s sysprep  after deploying.  Honestly, I spent a lot of time fiddling with my customization, ensuring I had th ...
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Poor network performance or high network latency on Windows virtual machines (2008925)

A virtual machine with one virtual CPU and a high CPU load, or a virtual machine with two or more virtual CPUs in general and a Windows 2003/2008/7 guest operating system, may experience these symptoms: Poor network performance and/or high ping respons ...
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