New VM Defaults to EFI

[Charles F Sullivan]

I am creating my first Windows Server 2022 VMware template. I took the default VMDK size of 40 GB and later added 20 GB as we want a 60 GB system disk. Now I see in Disk Management that there is a recovery partition between the C drive and the space I added.

Has anyone else noticed this? This apparently happened because it defaulted to EFI. I don't ever remember having to change the VM from EFI to BIOS. I don't see any way to resolve this but to start over. If I did want to stick with EFI, how would I deal with extending the C drive when it's inevitably needed? I feel like I'm missing something. 

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Charlie Sullivan

Principal Windows Systems Administrator

[Art DeKneef]

I have seen this twice on older Hyper-V installs but I have not worked with Server 2022 yet. So I don’t know if this would be applicable to VMware.

 

If you are sure you will never need the Recovery partition it can be deleted and the C drive size increased. That’s what I did on those 2 servers. Whoever built them used a small size C: drive and eventually it was running out of space. Rather then rebuild the servers we went the route of deleting the recovery partition. It was a case of the software running on the server the installation media could not be found and the original company was no longer in busy. So we decided to take a chance.

 

It has been several months with no ill effects so far. I made sure I had several backups of the server before doing anything just in case. So this might be a possible solution.

 

Art DeKneef

Avanti Computers

Mesa, AZ

480-529-4430 Mobile

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[Melvin Backus]

You can remove the recovery partition with diskpart.

 

https://www.lifewire.com/delete-windows-recovery-partition-4128723

 

Once you do so you’ll be able to extend the partition and increase the size on C:.

 

 

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There are 10 kinds of people in the world...
         those who understand binary and those who don't.

 

¯\_(ツ)_/¯

 

From: ntsys...@googlegroups.com <ntsys...@googlegroups.com> On Behalf Of Charles F Sullivan
Sent: Friday, September 10, 2021 5:31 PM
To: ntsys...@googlegroups.com
Subject: [ntsysadmin] New VM Defaults to EFI

 

I am creating my first Windows Server 2022 VMware template. I took the default VMDK size of 40 GB and later added 20 GB as we want a 60 GB system disk. Now I see in Disk Management that there is a recovery partition between the C drive and the space I added.

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[Charles F Sullivan]

Thanks for the replies. I did end up deleting the recovery partition. Apparently Windows Server versions prior to 2022 did not default to this as it's the first time I've come across it. To me it just makes no sense because it prevents expanding the adjacent partition.

To view this discussion on the web visit https://groups.google.com/d/msgid/ntsysadmin/1ADD796D2529E94DB4552E7C1F12A21A01BE688C2E%40ATLEXCH04.byers.local.

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Charlie Sullivan

Principal Windows Systems Administrator

Boston College

197 Foster St. Room 367

Brighton, MA 02135

617-552-4318