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Client not visible (error -1028)

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I'm running Retrospect Backup 5.1.167. Recently changed one of my clients to Panther and it is no longer visible to Retrospect. I've checked that the client machine is accessible over the network from the backup server and it appears in the client database as "responding". Also checked that the client is "on" (Client software version 5.1.109). But when I try to configure the client I get the "client not visible (error -1028) message.


Any suggestions welcome.

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Thanks for the lead. It was a firewall problem. The Knowledgebase article is a bit out of date. The solution is:


Go to System Preferences

Open Sharing

Select Firewall

Click on New...

Select Retrospect on pull down Port menu

Make sure Retrospect is on the list of allowed ports and that the checkbox is checked


This procedure does not seem to be required for Mac OS 10.2 and Retrospect does not appear on the allowed port list. Nevertheless it works there.

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