306 APPENDIX D: DOWNGRADING VCX SERVER S OFTWARENote that the downgrade procedure does not remove VCX version 7.1.ysoftware from your VCX system.Downgrading aSingle-Site System(7.1.y to 7.1.x)This procedure describes how to downgrade a pair of VCX serversrunning these software configurations:■ IP Telephony and Messaging■ IP Telephony only■ IP Messaging onlySwitch VCX VersionTo switch the VCX version, perform the steps in this section, first on theprimary server and then on the secondary server.1 Log in as root and enter this command:vcx-switchversion --manual 7.xExample: vcx-switchversion --manual 7.1.0cThe vcx-switchversion command:■ Stops VCX services■ Changes a link to point to the requested VCX version■ Issues a warning that databases must be restoredCAUTION: Do not reboot the system or restart VCX services untildatabases have been restored. The VCX 7.1.x version has been selectedbut the databases still contain 7.1.y versioned data. This combination willnot operate successfully.2 Update the pointer to the configuration file using this command:SetConfigFile /opt/3com/VCX/conf/VCXConfiguration.xmlStop Database ReplicationIf the server is running IP Telephony and IP Messaging server software orIP Telephony server software, you must stop database replication.CAUTION: If the server is running IP Messaging server software do notperform the steps in this section.
