- Type in secpol.msc /s
- Select "Local Policies" in MSC snap in
- Select "User Rights Assignment"
- Right click on "Log on as batch job" and select Properties
- Click "Add User or Group", and include the relevant user.
I'm posting this as some idiot at a stupid company (you know who you are!!) changed a Global Group policy and it broke the permissions for the Service Account used to run Task Manager Jobs.
Good Luck!