Chapter 12: Changes to Global Variables, Commands, and Stored Procedures

New global variables

**Table 12-1: New global variables**
Global variable	Definition
@@monitors_active	Reduces the number of messages displayed by sp_sysmon.
@@authmech	A read-only variable that indicates the mechanism used to authenticate the user.

The Real Time Meassages Sevices option adds a number of global variables as well. See the Real Time Data Service User’s Guide for more information.