Trigger causes a 'Failed to communicate to NetVault services' error. (4037908)

Trigger causes a 'Failed to communicate to NetVault services' error.

An SQL transaction log backup needed to be run every 15 minutes, but could not be completely setup in NetVault Backup, as the NetVault Scheduler can only be setup for every hour as a minimum.
Therefore a Windows scheduled task was setup to launch a script to run the backup jobs via a trigger (nvtrigger.exe).
Unfortunately the following error happens when the script was launched:

PS C:\Program Files (x86)\Quest Software\NetVault Backup\bin> .\nvtrigger.exe RemedyTranJob
Failed to communicate to NetVault services

All the trigger job setup information is in section 6.5.0 of the NetVault Backup 9.2 Administrators Guide on the following link:

https://support.quest.com/netvault-backup/technical-documents