Verify that your network is set up correctly and meets connectivity prerequisites for upgrading vCenter Server.
For information on creating a PTR record, see the documentation for your vCenter Server host operating system.
For information about configuring Active Directory, see the Microsoft Web site.
Domain users that are part of a Windows Administrators group with vCenter Server Administrator permission cannot be used to authenticate vCenter Server during upgrade and do not have vCenter Server permission after upgrade.
Procedure
Results
What to do next
Prepare other components of your environment.