"Cannot change the host configuration" error message when adding disk storage to a VMware vSphere ESXi Host

"Cannot change the host configuration" error message when adding disk storage to a VMware vSphere ESXi HostExperiencing the “Cannot change the host configuration” and or Call “HostDatastoreSystem.QueryVmfsDatastoreCreateOptions” for object “datastoreSystem-xxxx” on vCenter Server error message when trying to add disk storage to your VMware vSphere ESXi host?  If so, check out my video below where I run through the easy to follow steps in resolving this issue.

As with most things there can often be a multiple causes to a particular error, though in my experience I have found in the majority of cases this particular error message is down to adding pre-used disks which contain an existing partition or similar information on the disk.  Now this isn’t always the case, so in the basic steps outlined in the video I show you how to confirm what the actual error is.

*** IMPORTANT ***  Whenever touching anything to do with your storage, always ensure you have a good backup of your production data first.  Even in an instance such as this where “in theory” you are adding a “new” disk to your ESXi host, if you were to identify the disk ID incorrectly you could end up impacting data on another disk.  Just be careful, and use common sense.  Smile

 

Also, check out this useful VMware KB article for some more troubleshooting information.

I hope this videos helps, and definitely keep note of the couple of commands I use as these often prove useful when storage trouble shooting on an ESXi host.  If you found the video of use, please consider giving it a thumbs up on YouTube and also subscribing to my channel – thanks.

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