Sandbox creation fails after you use the --adGroups argument when you configure the Velocity Client for Windows
Velocity Help
When you configure the Velocity Client for Windows, you can secure the CIFS share with Active Directory. However, after you use the --adGroups argument, attempts to create a sandbox may fail because the Active Directory group membership is not refreshed on the Velocity Storage Server.
The following commands will cause sandbox connectivity issues on the SQL Server sandbox host until the services are started again.
To refresh the Active Directory group membership on the Velocity Storage Server
On the Velocity Storage Server, type the following commands to force the cache to refresh: