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Removing or disconnecting unused VM hardware from running VM ?

Posted on 2014-10-30
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Last Modified: 2014-11-04
Hi People,

When I execute the following wonderful script from Alan Renouf
https://github.com/alanrenouf/vCheck-vSphere

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I noticed that there are quite a few around 25% of my VMs got Unwanted virtual hardware found "USB controller"?

so how can I safely remove it without affecting the underlying Virtual Machine operations ?

is it safe to be done over the business hours ?
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Accepted Solution

by:
Andrew Hancock (VMware vExpert / EE MVE^2) earned 2000 total points
ID: 40415204
It's A Hot Plug device, so can be safely removed whilst the VM is ON.

Hot Plug devices also include hard disks and network interfaces, they can be added and removed when VMs are ON.

It's Safe to do in business hours, but we would always recommend

1. Take a backup of any production server before modification.

2. Complete any changes to production servers out of core hours.

3. These are good ITIL service practices.
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Author Comment

by:Senior IT System Engineer
ID: 40422775
ok, what I mean is to remove it from the VM using vSphere console.
Does it cause any downtime or outage to the Windows Server ?
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LVL 124

Assisted Solution

by:Andrew Hancock (VMware vExpert / EE MVE^2)
Andrew Hancock (VMware vExpert / EE MVE^2) earned 2000 total points
ID: 40422798
No downtime.

But if you had a 10,000 users connected to a Virtual Machine, would you risk it?
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Author Comment

by:Senior IT System Engineer
ID: 40422807
yeah, I'll schedule it after hours then.
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Author Closing Comment

by:Senior IT System Engineer
ID: 40422821
Thanks !
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LVL 124
ID: 40422886
Good Choice! Make sure you have Full Backups before any changes!
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