Is there an easy way to determine the date VM:Spool was last initialized?
Yes, you can use the VMSPOOL QSTART command to display the time and date when VM:Spool was last initialized.
The QSTART command is documented in VM:Spool's Reference guide which can be accessed at:
https://docops.ca.com/ca-vm-spool/1-8/en/reference/command-reference/qstart-command