boinc version 4.19:

climateprediction.net - 2005-02-28 07:22:05 - Deferring communication with project for 12 minutes and 8 seconds
climateprediction.net - 2005-02-28 07:34:13 - Sending request to scheduler: http://climateapps2.oucs.ox.ac.uk/cpdnboinc_cgi/cgi
climateprediction.net - 2005-02-28 07:34:16 - Scheduler RPC to http://climateapps2.oucs.ox.ac.uk/cpdnboinc_cgi/cgi failed
climateprediction.net - 2005-02-28 07:34:16 - No schedulers responded
climateprediction.net - 2005-02-28 07:34:16 - Deferring communication with project for 2 hours, 55 minutes, and 1 seconds

and this goes on and one since 3 weeks.
I got 3 PCs with the same Proxy Configuration but only one can't upload his projects and can't request new work.
I'am writing this post from the same machine that can't contact the server via the Boinc Client, and on the webbrowser everything works fine.
A other tool that runs over the proxy works on this PC only the Boinc Client won't.

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Of your 20 computers I'm guessing that you mean <a href="http://climateapps2.oucs.ox.ac.uk/cpdnboinc/show_host_detail.php?hostid=70759">this one</a>. It's last registered trickle is on Feb 01, but tracing through to <a href="http://climateapps2.oucs.ox.ac.uk/cpdnboinc/results.php?hostid=70759&amp;offset=80">the relavant results</a> they suggest that the models have been completed and that the last trickles were received on Feb 16.

My guess is that you're being hit by the problem of trying to upload too many trickles in one hit (<a href="http://climateapps2.oucs.ox.ac.uk/cpdnboinc/forum_thread.php?id=1887">see this thread</a>).

Check the number of trickle_up_*.xml files in your projects/climateprediction.net directory. If you've got 2 models to upload you're going to have loads of trickles still to return (plus those the scheduler has already accepted). You need to do is create a directory and move all but, say, 30 of the trickle_up_*.xml files into that directory, do an update (which should succeed and remove the files you left), then move the other files back in batches of 30 followed by an update each time.

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"The ultimate test of a moral society is the kind of world that it leaves to its children." - Dietrich Bonhoeffer

great answer thank you very much :)

i got 144 trickle_up_*.xml files and i moved all to another directory and updated about 20-30 files an everything works fine.

My machine got no LAN connection over 1 or 2 month so there was a lot of work to upload.

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