GitHub user slavkap added a comment to the discussion: Instance does not scale
@ahmadamirahmadi007, the message "Attaching memory device with size '525312' would exceed domain's maxMemory config size '524288'" comes from libvirt not a CloudStack's domain. From what I found you cannot exceed the memory from the max memory with hot plugged. GitHub link: https://github.com/apache/cloudstack/discussions/9989#discussioncomment-11394562 ---- This is an automatically sent email for users@cloudstack.apache.org. To unsubscribe, please send an email to: users-unsubscr...@cloudstack.apache.org