Other posts in this series:

Step 7 – Unlink vCenter Server

7.1: Go to Start -> Programs -> VMware -> vCenter Server Linked Mode Configuration

vCenter Upgrade Break Linked Mode

7.2: When the configurator opens click on Next

vCenter Upgrade Break Linked Mode Step 2

7.3: Select Modify linked mode configuration and click Next

vCenter Upgrade Break Linked Mode Step 3

7.4: Leave Isolate this vCenter Server instance from linked mode group selected and click Next

vCenter Upgrade Break Linked Mode Step 4

7.5: Click Continue to remove the server from linked-mode

vCenter Upgrade Break Linked Mode Step 5 vCenter Upgrade Break Linked Mode Step 5 part 2

7.6: I got the following alert

vCenter Upgrade Break Linked Mode Step 6

The output of the status.txt file was:

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Operation "Isolate instance VMwareVCMSDS" failed: 

Action: Prepare for Isolate

Problem: Service "VMware VirtualCenter Server" has not been stopped

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Recovering from failed Operation "Isolate instance VMwareVCMSDS"

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Recovery successful

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Execution error.

 

7.7: I went back and stopped the vCenter server service and re-ran the above task and it completed.

vCenter Upgrade vCenter services

7.8: I restarted the services and launched vCenter client and it only showed the local vCenter version.

 

Step 8 – Upgrade/Install SSO on primary

8.1: Attach the ISO file for vCenter 5.5 to the server

vCenter Upgrade SSO Upgrade Step 1

8.2: Launch the autorun. Do no install using Simple Mode, it will fail. Do Custom Install. Begin with the installation of Single-Sign On. Select vCenter Single Sign-On and click Install

vCenter Upgrade SSO Upgrade Step 2

8.3: Click Next on the initial screen

vCenter Upgrade SSO Upgrade Step 3

8.4: Accept the EULA and click Next

vCenter Upgrade SSO Upgrade Step 4

8.5: Verify that the pre-requisites are ok and click Next. Also, leave the default of adding the domain as a native Active Directory identity source

vCenter Upgrade SSO Upgrade Step 5

8.6: As this is the first SSO instance to be installed select the Standalone vCenter single sign-on server and click Next. If you are unsure which type of deployment mode to use have a look at the VMware documentation – https://pubs.vmware.com/vsphere-55/index.jsp?topic=%2Fcom.vmware.vsphere.upgrade.doc%2FGUID-C6F362AF-397C-4271-A9A1-4EEF1C718AA9.html. This will help explain that for linked-mode vCenters a standalone is deployed first and then a multi-site SSO

vCenter Upgrade SSO Upgrade Step 6

8.7: Enter a password for the administrator account and click Next

vCenter Upgrade SSO Upgrade Step 7

8.8: Enter a site-name and click Next

vCenter Upgrade SSO Upgrade Step 8

8.9: Leave the default HTTPS port and click Next

vCenter Upgrade SSO Upgrade Step 9

8.10: Select where you want to have SSO installed and click Next

vCenter Upgrade SSO Upgrade Step 10

8.11: Verify the details you entered in the previous dialog screen and click Install

vCenter Upgrade SSO Upgrade Step 11

8.12: The installation process will begin

vCenter Upgrade SSO Upgrade Step 12

8.13: When SSO installs click Finish

vCenter Upgrade SSO Upgrade Step 13

 

Step 9 – Upgrade vSphere Web Client on Primary

9.1: Select vSphere Web Client from the menu and click Install

vCenter Upgrade Web-Client Upgrade Step 1

9.2: Leave the default as English (United States) unless of course you are in a different country and require different local language settings. Click Ok to continue.

vCenter Upgrade Web-Client Upgrade Step 2

9.3: It will extract the installation MSI

vCenter Upgrade Web-Client Upgrade Step 3

9.4: Click Next on the initial screen. Web Client is installed for version 5.0 so this is just a warning that it will be updated

vCenter Upgrade Web-Client Upgrade Step 4

9.5: Accept the EULA and click Next

vCenter Upgrade Web-Client Upgrade Step 5

9.6: Leave the default ports and click Next

vCenter Upgrade Web-Client Upgrade Step 6

9.7: Enter the SSO administrator password used in the SSO installation to link the web client to SSO. Click Next.

vCenter Upgrade Web-Client Upgrade Step 7

9.8: Click Ok to accept the certificate

vCenter Upgrade Web-Client Upgrade Step 8

9.9: Click Install Certificates

vCenter Upgrade Web-Client Upgrade Step 9

9.10: Click Install to continue with the installation

vCenter Upgrade Web-Client Upgrade Step 10 vCenter Upgrade Web-Client Upgrade Step 11

9.11: Once completed click Finish

vCenter Upgrade Web-Client Upgrade Step 12

9.12: You will get a prompt to advise it will take a few minutes for the vSphere client to come online. Just Click Ok. If you prefer you can wait and check that it is completed or continue onto the next step which is to upgrade the vCenter Inventory Service

vCenter Upgrade Web-Client Upgrade Step 13

9.13: If you try to access it too soon you will see the following:

vCenter Upgrade Web-Client Upgrade Step 14

The next step in the process is to install the Inventory service and upgrade vCenter Server itself in How to: VMware vCenter 5.0 to 5.5 Update 2 Upgrade – Part 3

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