Shared network printer configuration

Shared network printer configuration

I have created a configuration to add a networked printer when users log into specific computers.
 
The shared network path to the printer is correct, as is the Target (Domain, Apply to: OU, and OU name have been selected and there are computers in the OU).
 
The Execution Status is reading "No targets available".
 
In what state do the computers need to be in order for them to be included?
 
Thank you.
 
Ellen Jones

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