Task Service in Site Server settings page, shows the status 'Pending Reboot' every day.
After rebooting it is getting fixed but the next day, same issue would happen.
Release : 8.x
Some tasks and policies which require reboot was targeting the site servers incorrectly.
Task or Policies like Altiris Agent Upgrade or Install.
Open the Symantec Management Agent on the site server and check:
and find the tasks or policies which has targeted this site server.
209515 "After upgrade to ITMS 8.6, Task Servers are listed as "Pending Reboot""