cannot reduce vmware RAM

In testing a new application, we increased RAM on a server 2012 VM to 128GB. Using vsphere 6.0. After increasing RAM, we wanted to drop it down to look at performance. Now, the VM says the minimum required ram is 128.  I have never seen where it doesnt allow to decrease. Is there any way to resolve this or does the VM need to be rebuilt.
Leigh KalbliAsked:
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Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization ConsultantCommented:
is this VM powered on ? or off ?
Leigh KalbliAuthor Commented:
Hot swap is enabled but I did attempt to reduce it when it was powered off but no dice.
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization ConsultantCommented:
You can always re-create a new configuration (Vmx) file, or edit the VMX directly.

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Leigh KalbliAuthor Commented:
Thanks. let me try that and i will re-post.
Leigh KalbliAuthor Commented:
Made a back up of the vmx and edited the file and uploaded. This resolved the ram allocation.
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