VMware vCenter 5.5 Single Sign On authentication mechanism make your VMware environment more secure and it allows authenticate vCenter sign on with Active Directory user accounts. Lets begin to Configure Single Sign-on in VMware vCenter 5.5.
Open vSphere web client and login with administrator@vsphere.local user account and click Administration:
Expand Single-Sign on and click Configuration. Select Identity sources tab and click ADD +:
Select Identity source type, i will select Active Directory as a LDAP server and then fill all option selected and then test connection with Test Connection button and click ok:
Connection established windows will be popup click ok:
Then select the domain and click icon to set as default domain for vCenter:
After that you can give permission to vCenter for AD users and groups. Navigate to Home > vCenter and right click on vcenter server and All vCenter Actions-> Add Permission:
Click Add and add the administrator domain user account, choose Administrator as assigned role and click OK.
After that Administrator AD user account will be administrator vCenter server.
Same way you can set permission to another vCenter resources (host,VMs,Datastores and etc) for AD users from Manage->Permission tab.
All of this permission you can give from VMware vSphere Client 5.5.
