Cannot update VM memory in RHV: "Cannot Exceed Platform Limit (20480MB)"

Solution Verified - Updated -


  • Cannot update VM memory, the Maximum Memory field is painted red with no error messages, cannot click OK.
  • Updating the VM memory via API results in:
ovirtsdk4.Error: Fault reason is "Operation Failed". Fault detail is "[Cannot edit VM. Maximum memory (65536MB) cannot exceed platform limit (20480MB).]". HTTP response code is 400.


  • Red Hat Virtualization 4.x

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