Part 2 – Upgrading from ESX 3.5 to vSphere – Upgrading VirtualCenter

Now that the VirtualCenter Server has been demoted from a domain controller to a member server and the SQL Server has been upgraded from SQL 2000 to 2005, we are able to push ahead with our vSphere upgrade by upgrading VirtualCenter to 4.0.

As you’ll see later, the individual VirtualCenter components, such as Update Manager and vConverter, have to be upgraded one at a time as a “unified installer” is no longer supported.

To upgrade to vCenter 4.0:

1. Insert the vCenter CD, mount the ISO, whatever you prefer, and click vCenter Server.

2. Choose the Setup Language

3. On the Welcome screen, you’ll see an information prompt stating that an earlier version of vCenter is already installed and will be upgraded. Click Next.

4. Accept the license agreement and click Next.

5. On the Customer Information screen, enter the User Name, Organization, and License Key. Click Next.

6. On the Database Options screen, enter the appropriate SQL authentication information. If you are using NT Authentication, the information can be left blank. Click Next.

7. At this point, setup points out the other vCenter components installed on the system as a reminder that they will need to be upgraded manually. Click OK to continue.

8. On the Database Upgrade Warning screen, select Upgrade Existing vCenter Server Database and check the box stating you have created a backup (be sure to have a backup!!). Click Next.

9. On the vCenter Server Service screen, specify the account which will run the vCenter services and click Next.

10. On the Configure Ports screen, you will see the Ports numbers assigned to the various vCenter services. The HTTP Port is set to 808 because I did not remove IIS from the vCenter server. Click Next.

11. Click Install to begin the upgrade.

12. During the upgrade, you will see a screen similar to the following:

13. Click Finish when the upgrade completes.

Next post, we’ll look at installing the vCenter client and upgrade the other vCenter components.

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