I have a VM whose hot add for the memory is enabled. But, when we try to reconfigure the VM by increasing the memory it fails with the error message "The hot plug operation failed". Error stack shows that "The source detected that the destination failed to resume" which appears to be kind of vmotion kind of error though the operation invoked is not migration.I have enough space in my datastore which eliminates the question of me not having space for my swap file. I don't find any thing which points to this even in the VM or host logs. Any idea what might be causing this?
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