Unable to use SSO in Parallels Client

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SSO is enabled during initial connection configuration, however, when trying to launch a published item user is prompted for credentials.

SSO service is running.


Misconfiguration in Group Policies.


1. On the Publishing Agent server go to Run > gpedit.msc

2. Navigate to Computer Configuration > Administrative Templates > System > Credentials Delegation.

3. Double-click the "Allow Delegating Default Credentials" policy.

4. Enable the policy and then click on the "Show" button to get to the server list.

5. Add "TERMSRV/<Your server name>" to the server list. You can add one or more server names.

6. Confirm the changes and run "gpupdate /force" command in CMD.

7. Verify that policy applied to Terminal Servers as well. If not - add it manually.

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