6.5.1

Table Of Contents
If you use DHCP instead of a static IP address for vCenter Server, make sure that the vCenter Server
computer name is updated in the domain name service (DNS). If you can ping the computer name, the
name is updated in DNS.
Ensure that the ESXi host management interface has a valid DNS resolution from the vCenter Server and
all vSphere Web Client instances. Ensure that the vCenter Server has a valid DNS resolution from all
ESXi hosts and all vSphere Web Clients.
vSphere Web Client Software Requirements
Make sure that your browser supports the vSphere Web Client.
The vSphere Web Client 6.5 requires Adobe Flash Player v. 16 to 23. For best performance and security
fixes, use Adobe Flash Player 23.
VMware has tested and supports the following guest operating systems and browser versions for the
vSphere Web Client. For best performance, use Google Chrome.
Table 35. Supported Guest Operating Systems and Minimum Browser Versions for the
vSphere Web Client
Operating system Browser
Windows Microsoft Internet Explorer v. 10.0.19 and later.
Mozilla Firefox v. 39 and later.
Google Chrome v. 34 and later.
Mac OS Mozilla Firefox v. 39 and later.
Google Chrome v. 34 and later.
Before Upgrading vCenter Server
Ensure that your system is prepared for vCenter Server upgrade by verifying compatibility and completing
any necessary database, networking, or other preparation tasks.
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Verify Basic Compatibility Before Upgrading vCenter Server
Verify that all components meet basic compatibility requirements before upgrading vCenter Server.
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Download the vCenter Server Installer for Windows
Download the .iso installer for vCenter Server for Windows and the associated vCenter Server
components and support tools.
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Preparing a vCenter Server Database for Upgrade
vCenter Server requires a database to store and organize server data. You can either upgrade your
embedded database to the bundled PostgreSQL database, or you can continue to use your external
database.
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Preparing for Upgrading the Content Library
When upgrading from vCenter Server version 6.0 or earlier, you must prepare your environment
before upgrading the Content Library to prevent pre-check errors.
vSphere Upgrade
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