This monitor ensures that the RunAs Account associated with this Server is valid. If the state is unknown, either monitoring has not begun for this object or there are no monitors defined that monitor availability.
An unhealthy state for this monitor indicates some problem with the RunAs Account used for Agent communication with the Unix or Linux server.
Some of the problems that could affect the state of this monitor include:
The Password has expired.
The Password is invalid.
The Account does not exist.
The Account specified does not have the correct access levels.
Check the "Alert Context" tab of the Alert Properties for more information.
View all current alerts from this object using this link:
Alerts
Ensure that the Account specified as the RunAs account exists on the Unix/Linux server, has the correct password and access level.