hen doing a health check I found the following error during the remove if a snapshot in vCenter: Unable to access file since it is locked There is a problem when committing the snapshot after the vStorage APIs for Data Protection (VADP) backup of the VM. In the snapshot manager in vCenter there was …
Continue ReadingWhen trying to delete an “old” VMDK file, I’ve got the following message “device or resource is busy”. I was pretty sure that the VMDK was not connected to any VM(s) anymore. I tried to delete the VMDK by command line and by using the datastore browser. I found the VMware KB article “Virtual machine …
Continue ReadingYesterday I spoke a customer who has problems after applying Windows 2008 R2 SP1 on his 5 node Hyper-V cluster. When validating the storage on the cluster, the following error “disk with identifier “2ef8c0……” has a persistent reservation” is displayed on multiple cluster disks. The problem can occur …
Continue ReadingFor my MS Hyper-V home server I want to hibernate every day between 12.30 and 07.00 am. When the Hyper-V role is installed, it is not possible to use the hibernate function. The following steps make it possible to automatic hibernate the system and when it wake up, the Hyper-V service and the VM(s) …
Continue ReadingFor my home lab i was looking for a home server with NAS functionality. My current Iomega IX2 (2x500GB) NAS is replaced by this server. For this server I had the following requirements Low power consumption (24x7) Low noise Flexibly and room to expand with extra hard drive(s),hardware RAID and a NIC …
Continue ReadingDuring a Microsoft Exchange (Exchange 2007 to Exchange 2007) migration between to organizations, I discovered that some mailboxes had an English folder structure in MS Outlook instead of a Dutch. After the mailbox is exported and imported using the export- and import-mailbox command, the users …
Continue ReadingLast weeks a lots of software updates and new releases are published. Here’s an overview of some of them: VMware VMware vSphere 4.1 Update 1 A new update for vSphere 4.1 is released. Here are the ESX(i) and vCenter improvements: VMware ESX(i) 4.1 Update 1 improvements Enablement of Trusted Execution …
Continue ReadingThis week I encountered a problem with Sysprepping a Microsoft Windows 2008 R2 VM after cloning. I cloned an existing VM and used a Customization Specification in vSphere vCenter for the Sysprep. When the Sysprepped Microsoft Windows 2008 R2 VM reboots, the following message appears: Windows could …
Continue ReadingMemory Limits When adding existing VMware ESX servers (for example 3.5) to the VMware vCenter 4.1 server, all the VMs got a memory limit. To reset the memory limits to unlimited for all VMs, use the following PowerCLI script: Connect-VIServer <servername> Get-VM | Get-VMResourceConfiguration | …
Continue ReadingWhen you want to test some Microsoft Hyper-V R2 stuff it’s handy to do that on your laptop. I test a lot stuff on my laptop equipped with Microsoft Windows 7, 8GB RAM and VMware Workstation. Installing Microsoft Hyper-V R2 for example in VMware Workstation is possible, but it is not possible to …
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