I try to download new WU but everytime it tries to connect to server it says:

'27/05/2007 10:21:26|ralph@home|Scheduler RPC succeeded [server version 509]
27/05/2007 10:21:26|ralph@home|Deferring communication for 4 min 2 sec
27/05/2007 10:21:26|ralph@home|Reason: requested by project'

but on the homepage there are WU available to compute.

Where does it say there are WU-s to download?

Can you please copy and show me?
Anders n

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I try to download new WU but everytime it tries to connect to server it says:

'27/05/2007 10:21:26|ralph@home|Scheduler RPC succeeded [server version 509]
27/05/2007 10:21:26|ralph@home|Deferring communication for 4 min 2 sec
27/05/2007 10:21:26|ralph@home|Reason: requested by project'

but on the homepage there are WU available to compute.

The portion of the messages that you posted are normal after every connection to the scheduler: in order to avoid that any single user overloads the scheduler with repeated requests the response from the scheduler indicates a minimum amount of time to wait before trying again.
The lines just before the ones you posted would show why the scheduler was contacted. This may included messages such as "requested by user" or "to report completed tasks" and "not requesting new work" in which case the scheduler won't send work even if there is some available. On the other hand if work is available and the messages indicate something along the lines of "requesting XYZ seconds of new work" then you should get one or more new workunits after the completion of the scheduler request. The messages immediately following the ones you posted will show whether you did get work or say something along the lines of "deferring communication for ABC" (where ABC is different from the scheduler requested communications delay, this delay is calculated by your own boinc client) followed by "Reason: no work from project".

The Ralph home page shows 0 queued workunits meaning no work is available for assignment to clients. A look at the server status right now shows one single Ralph workunit available but I'm not sure what this discrepancy between stats means.

The number of 'in progress' workunits is not an indicator of workunits being available. Workunits are in progress after they have been assigned to clients.

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