Symantec ESM reports the following types of messages:
Common
Common messages are available to all modules and report the Symantec ESM operational information such as Correction succeeded, Disk write error, etc.
Correctable
Correctable messages reverse the current agent settings.
Updatable
Updatable messages change the template or snapshot settings to the current agent settings.
Informative
Informative messages report the administrative information such as lists of user accounts or security vulnerabilities that require manual adjustments.