Verify SSO Domain name

SSO Domain Name

You will find it in the following two configuration files:

Windows:

C:\ProgramData\VMware\vCenterServer\cfg\install-defaults\vmdir.domain-name

VCSA:

/etc/vmware/install-defaults/vmdir.domain-name

http://www.virtuallyghetto.com/2015/04/vcenter-server-6-0-tidbits-part-2-what-is-my-sso-domain-name-site-name.html