6.5.1

Table Of Contents
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vCenter Single Sign-On system users. Exactly one system identity source is created when you install
vCenter Single Sign-On.
Note At any time, only one default domain exists. If a user from a non-default domain logs in, that user
must add the domain name (DOMAIN\user) to authenticate successfully.
vCenter Single Sign-On identity sources are managed by vCenter Single Sign-On administrator users.
You can add identity sources to a vCenter Single Sign-On server instance. Remote identity sources are
limited to Active Directory and OpenLDAP server implementations.
For more information about vCenter Single Sign-On, see Platform Services Controller Administration.
Reregister Solution in vCenter Server after Upgrade or
Migration
You need to reregister a previously registered plug-in package with your vCenter Server when certificate
has been regenerated during the upgrade or migration process.
You can unregister the solution in the following way:
Procedure
1 In a Web browser, navigate to the Managed Object Browser of your vCenter Server.
https://<vcenter_server_ip_address_or_fqdn>/mob/?moid=ExtensionManager
2 Log in with your vCenter Server credentials.
3 On the ManagedObjectReference:ExtensionManager page, under Methods, click
UnregisterExtension.
4 On the void UnregisterExtension page, in the text box inside the Value column, enter the value
for the key property of the Extension data object of your vSphere Web Client extension.
5 Click Invoke Method to unregister the extension.
What to do next
Go to the solution registration page and register.
Roll Back a vCenter Server Appliance Upgrade or
vCenter Server on Windows Migration
You can roll back a vCenter Server Appliance upgrade or migration by reverting to the source appliance
or vCenter Server on Windows.
The roll back steps apply in the following upgrade and migration contexts:
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vCenter Server Appliance with an embedded Platform Services Controller
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vCenter Server Appliance with an external Platform Services Controller
vSphere Upgrade
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