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XenDesktop Error: The hosting infrastructure could not be reached at the...
When deploying XenDesktop in a VMware environment, you could run into the following error when trying to connect your XenDesktop host to your VMware vCenter environment: “The hosting infrastructure...
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VMware View Client with PCoIP for Mac OS X
Today VMware released their Technical Preview of the VMware View PCoIP client for OSX. We’ve all been waiting for this since the release of VMware View 5 and today I finally got to test it on OSX. Of...
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New vSphere5 feature: Virtual Machine disks consolidation is needed
Ever had it happen in your environment? Committing a snapshot on a VM fails and you can’t get your VM to boot again because there are disks missing. This could happen because when initiating Delete or...
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How to make vCenter datastore alarms useful
When visiting customers I noticed that the VMware admin often doesn’t really know how much free space is left on the datastores and wether action is needed to free up space or get extra capacity. When...
View ArticleVMware Tools version number higher than expected
Today, when performing a VMware Health Check, I came across a strange issue with a customer of mine. Well, issue is maybe a big word, but I discovered the VMware Tools version some of the VMs had...
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vCenter DRS rules bug when downgrading license
Normaly when installing a vSphere environment for new customers, I wait with entering the correct licenses until the environment is ready and can be moved to production. Until today I never ran into...
View ArticleReminder: Keep an eye on your vCenter SQL DB
Past two months I’ve received three calls from customers who’s vCenter suddenly stopped working because their SQL database had stopped because the logs had filled up. Turns out few people regularly...
View ArticleAdding ESXi host with dvSwitch through Auto Deploy fails
Been fighting some problems with VMware Auto Deploy lately which turned out to be an easy to solve issue. I installed the first host in the cluster, which would NOT be deployed with Auto Deploy but had...
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VMware HA Admission Control and VM reservations
Did you know about VMware HA admission control coupled to VM reservations? To be honest I thought I knew, but recently I was pointed to some details that showed me I was wrong. What I’m talking about...
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Adding AD authentication to VMware SSO 5.1
With the release of VMware vCenter Server 5.1 an important new component has been released: the VMware Single Sign-On (SSO) server. It is one of the components of vCenter Server and is a requirement...
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VMware Auto Deploy with MSCS won’t work
Our environment is fully built using VMware Auto Deploy 5.1. All the clusters have their own ruleset and we’re very content on how easily we update our hosts and deploy new hosts. However, recently we...
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Cannot open the disk and could not open change tracking file
Lately I have seen a number of VMs going down after the backup has finished and snapshots get removed. At some point when cleaning the snapshot, the ESXi host decides something is wrong and then brings...
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What about the Windows C# Client for vSphere 6?
Let’s be honest, nobody has made the full swap to the vSphere Web Client yet. I’ve been pushing my colleagues and some customers to start using the Web Client, but it just isn’t up to par with the...
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Please vote for GabesVirtualWorld at the Top vBlog 2015
It’s that time of year again !!! Please vote for your top 10 favorite VMware & virtualization blogs, on the first page you will be able to select your 10 favorite blogs and on the following page...
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Check the health of your storage paths
For you vSphere environment you always want to make sure that all paths to your storage system are connected. That is why in our vSphere environment we run a daily morning check that tells us if there...
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Check correct path policy of RDMs
Our vSphere version combined with EMC VNX MCX OE version advices Round Robin as path policy. For RDMs used by a Microsoft Cluster however, Most-Recently-Used is the adviced policy. If a Microsoft...
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Manage your VMware Metro Storage Cluster with Tags
Running a VMware vSphere Metro Storage Cluster (VMware vMSC) makes it possible to move VMs between two geographical locations without downtime. In a Metro Storage Cluster a vSphere Cluster consists of...
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Wishlist: KB article with Log Insight queries
With VMware Log Insight you can create great queries. For some environments we have known bugs and since we can’t always update as fast as we would like, I’ve built some simple queries to alert me...
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Cisco UCS firmware update bug
Just ran into a Cisco UCS bug. When upgrading the UCS firmware of your environment, some B200M4 blades may reboot spontaniously. I won’t tell you how I found out, but be sure to read this article:...
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