You configure the Mobile SSO for iOS authentication method from the Authentication Methods page in the VMware Identity Manager console. Select the Mobile SSO (for iOS) authentication method to use in the built-in identity provider.


  • Certificate authority PEM or DER file used to issue certificates to users in the Workspace ONE UEM tenant.

  • For revocation checking, the OCSP responder's signing certificate.

  • For the KDC service, select the realm name of the KDC service. If using the built-in KDC service, the KDC must be initialized. See the Installing and Configuring VMware Identity Manager for the built-in KDC details.


  1. In the VMware Identity Manager console Identity & Access Management tab, go to Manage > Authentication Methods.
  2. In the Configure column forMobile SSO (for iOS), click the pencil icon.
  3. Configure the Kerberos authentication method.



    Enable KDC Authentication

    Select this check box to enable users to sign in using iOS devices that support Kerberos authentication.


    For tenant deployments in the cloud , the realm value is read-only. The realm name displayed is the identity manager realm name for your tenant.

    In an on-premises deployments, if you are using the cloud hosted KDC, enter the pre-defined supported realm name that is supplied to you. The text in this parameter must be entered in all caps. For example, OP.VMWAREIDENTITY.COM. If you are using the built-in KDC, the realm name that you configured when you initialized the KDC displays.

    Root and Intermediate CA Certificate

    Upload the certificate authority issuer certificate file. The file format can be either PEM or DER.

    Uploaded CA Certificate Subject DNs

    The content of the uploaded certificate file is displayed here. More than one file can be uploaded and whatever certificates that are included are added to the list.

    Enable OCSP

    Select the check box to use the Online Certificate Status Protocol (OCSP) certificate validation protocol to get the revocation status of a certificate.

    Send OCSP Nonce

    Select this check box if you want the unique identifier of the OCSP request to be sent in the response.

    OCSP Responder’s Signing Certificate

    Upload the OCSP certificate for the responder.

    When you are using the Workspace ONE UEM Certificate Authority, the issuer certificate is used as the OCSP certificate. Upload the Workspace ONE UEM certificate here as well.

    OCSP Responder’s Signing Certificate Subject DN

    The uploaded OCSP certificate file is listed here.

    Cancel Message

    Create a custom sign-in message that displays when authentication is taking too long. If you do not create a custom message, the default message is Attempting to authenticate your credentials.

    Enable Cancel Link

    When authentication is taking too long, give users the ability to click Cancel to stop the authentication attempt and cancel the sign-in.

    When the Cancel link is enabled, the word Cancel appears at the end of the authentication error message that displays.

    Enterprise Device Management Server URL

    Enter the Mobile Device Management (MDM) server URL to redirect users when access is denied because the device is not enrolled into Workspace ONE UEM for MDM management. This URL displays in the authentication failure error message. If you do not enter a URL here, the generic Access Denied message displays.

  4. Click Save.

What to do next

  • Associate the Mobile SSO (for iOS) authentication method in the built-in identity provider.