Increase Virtual Machine Memory in the OVM Manager GUI Steps 1. Using Oracle VM Manager GUI: 2. Login to Oracle VM Manager (GUI). 3. Select the VM and click on edit. 4. Check the assigned "Max. Memory (MB):" and "Memory (MB):". 5. If the "Max. Memory (MB):" is the same as "Memory (MB):", then you have to shut down the VM to increase the "Max. Memory (MB):" and "Memory (MB):". 6. If the "Max. Memory (MB):" is higher than the "Memory (MB):", then you can increase the "Memory (MB):" till "Max. Memory (MB):". 7. Ensure the "Memory (MB):" should not be higher than "Max. Memory (MB):" 8. Click on Save. Login to the VM and verify allocated memory. If you like please follow and comment