Cannot change the password of [email protected] from the vSphere Web Client dropdown menu

Products

• VMware vCenter Server
• VMware vSphere ESXi

Issue/Introduction

Symptoms:

• The Change Password option is greyed out in the dropdown menu when you log in as [email protected].
• You cannot change the password as an Administrator.
• A standard user logging in to the vCenter Single Sign-On (SSO) server from the vSphere Web Client can perform a password change from the dropdown menu.

Environment

VMware vCenter Server 5.5.x
VMware vSphere Web Client 5.5.x

Resolution

To resolve this issue, you must change the password for the Administrator.

To change the password for the Administrator:

1. Log into the vSphere Web Client with an SSO administrator user
2. Click Administration.
3. Click Users and Groups under Single Sign-On.
4. Right-click Administrator under the Users tab.
5. Click Edit User.
6. Change the password for the Administrator.
   
   Note: If the Edit User dialog box for the [email protected] is greyed out, reset the password from vCenter SSH Session.

   • vCenter Server Appliance:

     1. Connect to the vCenter Server Appliance via SSH. For more information, see Enable or Disable SSH Administrator Login on the VMware vCenter Server Appliance in the vCenter Server and Host Management Guide.
     2. Open the vdcadmintool service tool with this command:
        
        /usr/lib/vmware-vmdir/bin/vdcadmintool
        
        This console loads:
        
        ================================
        Please select:
        0. exit
        1. Test LDAP connectivity
        2. Force start replication cycle
        3. Reset account password
        4. Set log level and mask
        5. Set vmdir state
        ================================
        
        
     3. Press 3 to enter the Reset account password option.
     4. When prompted for the Account DN, enter:
        
        cn=administrator,cn=users,dc=vSphere,dc=local
        
     5. A new password is generated. Use this password to log in to the [email protected] account.
        
        Note: Review the password to ensure it is compliant with VMware's list of unsupported characters. For more information on the list of unsupported characters, see vSphere 5.5 Single Sign-On Issues due to Special Characters in [email protected] password. If the password generated is not compliant, perform the generation process again.

Additional Information

To know more check the below articles: 
SSO administrator is locked or expired -  Reset the vCenter SSO Administrator Password
vSphere 5.5 Single Sign-On [email protected] password issues 
Resetting the vCenter SSO Administrator Password - SSO administrator is locked or expired​​​​​

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