Not to try to sell you anything but
MerAssistant has this feature built in.
Every Morning you can get a report of all the disabled TN's in your system. Then there is one button to hit and it will automatically re-enable them all if you choose.
It's pretty cool.
MerAssistant1, shows the "DSBL TN's" and the "Run ENLU"
And
MerAssistant2.jpg shows what the report looks like, I will see if I can get some data to populate so you can see what it looks like.
Good Luck!