How to change allocated resources for your VM
To Upgrade and Downgrade resources (CPU, RAM and Storage) in VM need to follow some steps.
1. Login to your vCloud Director
2. Choose VM need to change and select "Details"
3. From your Hardware Tab you can change the following
  - Storage
   Â
  - Cpu and MemoryÂ
   Â
  - NicsÂ
   Â
4. Save configuration.
In some cases you would not need to Restart the vm but its always good if possible