Preparing for the upgrade

Before you begin a CUE upgrade, use the following checklist of topics to prepare for the upgrade:

Topic

Verifying that the customer has prepared their system for an upgrade on page 8

Required documentation on page 8

Remote support on page 8

Trouble escalation on page 8

Switch compatibility on page 9

Hardware additions on page 9

Software considerations on page 10

Customization issues on page 10

Disk mirroring on page 11

Parts list on page 11

Checking for printer requests and large mail files on page 12

Checking for ACD 1 on page 13

Checking for a symbolic link between /etc/hosts and /etc/inet/hosts on page 14

Issue 1.0 December 2003 7

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Avaya 12 manual Preparing for the upgrade