PRB: Unable to install 4 line add-on with older Zetafax systems
		
		
        
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		ZTN1373
		
		
 
ID: ZTN1373
This Zetafax technical note applies to:
- Zetafax version 8 or earlier 
Symptom
When attempting to install a 4 line add-on on a Zetafax 8 or earlier system, the Zetafax Configuration program rejects the licence number with the following error message:

'The upgrade or add-on number you have specified is invalid, or has been typed in incorrectly'.
Cause
The 4 line add-on was introduced with Zetafax 9, and is not recognised directly by older systems.
Resolution
The licence number for a 4 line add-on has the format " Uxxxxxxx-LINE4-xxxxxx" .  To enter this with Zetafax 8 or earlier, replace the text LINE4 with the letters AAAEAA. 
ie
                      Uxxxxxxx-LINE4-xxxxxx
should be entered as
Uxxxxxxx-AAAEAA-xxxxxx
Status
This is designed behaviour, caused by an enhancement in a later product release 
Last updated:  6th July 2004 (IM/GW)
Keywords: Additional line, additional lines, add-on, setup, licencing