If you are already running Unified Communications Manager or IM and Presence Service on a virtual machine, and your deployment size has not changed, you do not need to download and install a new OVA template. Levels and any required OS/VM/SAN alignment. They cover items such as supported capacity OVA files provide a set of predefined templates for virtual machine configuration. The new release, you can upgrade the ESXi version after you upgrade the Cisco applications. We recommend that you upgrade the ESXi hypervisor before you begin an upgrade of Unified Communications Manager or IM and Presence Service however, if your currently installed version of these applications is not compatible with the ESXi version required for You must install a version of vSphere ESXi hypervisor that meets the requirements of the release. Using VMware vCenter is optional when you deploy Unified Communications Manager or IM and Presence Service on UC on UCS tested reference configuration hardware. If you require VMware vCenter, install and configure it first. Hardware to UC on UCS specs-based or third-party VMware vCenter is required only when you are migrating from Cisco Business Edition or Tested Reference Configuration (TRC) You can find the requirementsīy going to Cisco Collaboration Virtualization and following the links for the Unified Communications Manager and IM and Presence Service applications. Verify whether you need to upgrade your virtual machine to meet the requirements of the new release. Software version that you are upgrading to. Use the procedures in this chapter if you need to change your virtual machine configuration to meet the requirements of the Complete the procedures in this appendix only if your upgrade requires you to update your VMware.
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