Checklist

	Task	References	Notes
	Download the required documentation.	See Messaging documentation.
	Gather pre-upgrade data.	See Pre-upgrade data gathering.
	Verify the version of System Platform.	See Verifying the version of System Platform.
	Verify that there are no active alarms in the system.	See To view current alarms, see Viewing current alarms. For Messaging alarms repair procedure, see Avaya Aura® Messaging Alarms and Events. For System Platform alarms and events, see Administering Avaya Aura™ System Platform.
	Obtain System Platform and Messaging software.	For more information, see Software download section of Implementing Avaya Aura ® Messaging.
	Upgrade the Messaging storage server.	See Upgrading the Messaging storage server.
	Upgrade the Messaging application servers.	See Upgrading the Messaging application servers.