Exchange-RT_SendAndTrackMessage Knowledge Script does not execute. (NETIQKB50196)

Exchange-RT_SendAndTrackMessage Knowledge Script does not execute.
The Exchange ResponseTime Managed Object's RunTransaction method returns an error.
Error: 'Unable to validate Domain User. Could not find the domain controller for the domain.'

Verify that the account and MAPI profile specified in the Knowledge Script parameters are valid and exist on the Managed Client that is running the Exchange-RT KS. If the MAPI profile does not exist, create a MAPI profile on the server running the Knowledge Script.  Once the MAPI profile exists, specify the corresponding MAPI profile name in the Knowledge Script parameters under the Values tab.

The account and MAPI profile information specified in the Knowledge Script parameters is not valid.

Formerly known as NETIQKB50196