![]() To upgrade one of these systems, you need to import subscribers from Exchange or from a CSV file. The Cisco Unity Database Export and Database Import utilities, which let you export subscriber and other information from a 2.x system and import it into a 3.0 system, do not work on Cisco Unity systems earlier than version 2.3(4.104). If you do not have compact discs for Cisco Unity version 3.0(2) or later, download the patch release from the Cisco Software Center website at. The Cisco Unity 3.0(2) patch release includes significant performance enhancements to the upgrade tools. Cisco TAC does not provide support for upgrading Exchange 5.5 to Exchange 2000. Rather than upgrade Windows and Exchange with Cisco Unity on the server, we recommend reinstalling all software-which will be faster and more successful. Field experience has shown that there are significant challenges associated with upgrading an existing Exchange 5.5 site to Exchange 2000. The following list describes the conditions for each method and references the applicable task list:Ĭaution Upgrading Windows NT 4.0 to Windows 2000 and Exchange 5.5 to Exchange 2000 are complex processes (for upgrade information, refer to the Microsoft website). Use the task list for your upgrade method to upgrade the Cisco Unity system correctly. There are three methods for upgrading a Cisco Unity system from version 2.x to version 3.0. Importing Windows NT/Active Directory Accounts into Exchange 5.5 (Selected Configurations Only).Reviewing the Consistency of the Cisco Unity 2.x Database.Task List for Upgrading an Existing Server. ![]()
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