If your vCenter Single Sign On single node or primary node instance is corrupted, you can restore a backup to ensure continued vSphere access for vCenter Server and vCenter Server components.

Verify that you have a current backup of your vCenter Single Sign On configuration. See Back Up the vCenter Single Sign On Configuration.

Prepare a host machine for the restored Single Sign On instance. The host machine can be a physical machine or a virtual machine. It must satisfy the hardware requirements for Single Sign On. See Hardware Requirements for vCenter Server, vCenter Single Sign On, vSphere Client, and vSphere Web Client.

Verify that the vCenter Single Sign On database is accessible from the host machine.

Verify that you have the original administrator password for the vCenter Single Sign On instance that you are restoring.

Verify that you have the account name and password for the RSA SSPI service and vCenter Single Sign On service of the vCenter Single Sign On instance that you are restoring.

Download the vCenter Server installer from the VMware downloads page at http://www.vmware.com/support/ to the new host machine.

1

Copy the backup file Single Sign On.zip to the new host machine in the directory C:\Temp\SSO Recovery.

2

Rename the new host with the same Fully Qualified Domain Name (FQDN) as the Single Sign On server that you created the backup from.

3

If the Single Sign On instance that you created the backup from was in a workgroup, and was installed using its IPv4 address, make sure that the new host machine has the same static IP address.

DHCP is not supported.

4

Verify that the DNS of the new host is forward and reverse resolvable.

5

On the vCenter Single Sign On host machine, in the VMware vCenter Server installation directory, double-click the autorun.exe file to start the installer.

6

Select vCenter Single Sign On and click Install.

7

Follow the prompts in the installation wizard to choose the installer language, and agree to the end user patent and license agreements.

8

Select Recover installed instance of vCenter Single Sign On from a backup.

9

Browse to and select the Single Sign On.zip file.

10

Enter the original administrator password for the old Single Sign On instance.

You must use the password that was created for the admin@System-Domain user when Single Sign On was originally installed, even if you have changed that password.

11

Make sure that the RSA SSPI service is logged on to the same account as in the Single Sign On instance that you created the backup from.

12

Follow the wizard prompts to complete the Single Sign On restoration.

The vCenter Single Sign On single or primary node instance is restored.

If there are any Single Sign On high availability backup nodes associated with the primary node that you restored, make sure that the RSA SSPI service logs on to the same account in the primary node and all high availability backup nodes.

From the vSphere Web Client, log in to the vCenter Server instances that are registered to the Single Sign On instance to verify that you have working access to them.