This is issue is resolved in:
You can download the latest release, available at
VMware Downloads.
To work around this issue in an earlier vCenter Server 5.0 and vCenter Server 5.1 versions:
- Disable Storage DRS. To disable Storage DRS:
- In the vSphere Client inventory, right-click a datastore cluster and click Edit Settings.
- Select Turn off Storage DRS and click OK.
- Clone the virtual machine from the template.
- Enable Storage DRS.
To enable Storage DRS:
- In the vSphere Client inventory, right-click a datastore cluster and click Edit Settings.
- Select Turn on Storage DRS and click OK.