INTRODUCTION
With the introduction of Database Based History List in Strategy 9.x, a History List Messages monitor has also been added . It can be found under Administration ->System Monitors.
Note: This monitor does not appear when File Based History List is used. it is only visible once the user has configured Database Based History List.
The purpose of this monitor is for administrators to track and manage History List Messages for all the users.

For information on database based history list, refer to the following Strategy Knowledge Base Document:
KB20506: What is Database Based History List in MicroStrategy 9.4.x - 10.x