Cannot open the disk Reason: The parent virtual disk has been modified since the child was created.

If you get the following error when starting a virtual machine you can try the solution given below: “Message on VMName: Cannot open the disk ‘/vmfs/volumes/Volume-ID/VM Name/VMName-000001.vmdk’ or one of the snapshot disks it depends on. Reason: The parent virtual…
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How to – run vCenter Server and database server on a dedicated host

If you run your vCenter server and the associated database server virtually, you normally want to control on which host they are situated. Since vSphere 4.1 this is possible with the help of a feature called DRS Groups Managers. In…
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