After installing NVBU the service won't start with a status similar to:
"systemctl status netvault" indicates:
Aug 12 14:40:08 contoso systemd[1]: Starting Netvault Backup Service...
Aug 12 14:40:09 contoso systemd[1]: Started Netvault Backup Service.
Aug 12 14:40:09 contoso nvpmgr[26177]: Failed to get SHM
Aug 12 14:40:09 contoso nvpmgr[26177]: : File exists
Aug 12 14:40:09 contoso NetVault[26178]: NetVault: Process 'nvpmgr' failed to get shared memory
Aug 12 14:40:09 contoso nvpmgr[26177]: failed to get 3957480 bytes of shared memory: (17) File exists
"nvpmgr startup" indicates:
Failed to get SHM
: File exists
failed to get 3957480 bytes of shared memory: (17) File exists