Which polling method are you using to poll Windows Servers? Please leave comments on size of environment, number of pollers, number of servers being polled and types of windows servers (2003 / 2008 / 2012, etc). Thanks!
Archiving expires a poll and removes it from the active polls list.
To restore an archived poll, edit the poll, change the dates as desired, and save the poll.
Confirm delete of Orion Polling - SNMP vs WMI
Warning: This will delete the poll and all of its comments.