Downgrading from 7.1.y to 7.1.x 305Downgrading from7.1.y to 7.1.xFollow the procedures in this section to downgrade your VCX systemfrom version 7.1.y to 7.1.x.ImportantConsiderationsBefore performing a downgrade, keep these considerations in mind:■ Downgrades are typically performed for one of the following reasons:■ You have successfully upgraded your VCX system but want torevert to the previous version of VCX system software.■ During a VCX system upgrade, one component fails to upgradeand want to revert to the previous version of VCX system software.If a component fails to upgrade, contact your 3Com Support forassistance before proceeding.■ To use the downgrade procedures in this section, your VCX systemmust have previously been successfully running version 7.1.x. Thedowngrade procedure does not “back-port” any configuration ordatabase modifications you might have made while running version7.1.y. Following this procedure restores the VCX system to theoperational state it was in prior to the upgrade occurring.■ If an upgrade at a regional office is unsuccessful, contact your 3ComSupport for assistance and downgrade the regional office servers. Donot upgrade any branch office servers that are associated with thatregional office until the regional office upgrades are successful.■ The database schema version on a branch office server must matchthe schema version on the regional office Authentication andDirectory server. After a successful upgrade of a regional office, if anupgrade of any branch office server is unsuccessful, contact your3Com Support for assistance and downgrade that branch officeserver.■ The VCX system supports two operating system images. If theupgrade required installation of a new VCX operating system version,then the downgrade must revert to the previous installation.■ The person performing the downgrade should be trained in VCXoperation and procedures, and be familiar with VCX terminology.■ This downgrade procedure assumes the VCX version 7.1.x systemdatabases were backed up before the upgrade to version 7.1.y wasperformed. These version 7.1.x backups will be restored as part of thedowngrade procedure.
