2nd domain not authenticating in Desktop Central

2nd domain not authenticating in Desktop Central

Have have 2 domains.  We have entered correct credentials for each domain.  When we try and deploy the DC client to the 2nd domain we recieve 100% failure with an error message "unknown username or password."
 
We can login to a machine with the credentials so we know it is correct.
 
Any idea's?
 
Cheers.
 

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