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Blast gives me an error: Server did not say "ok"

When you run Blast on the helix systems, the search actually runs to the computers at NCBI. As of Jan 1998, the NCBI 'experimental' servers (Cruncher and Muncher), which used to process blast jobs, have been replaced. The new system now sends blast jobs to the NCBI web server. If the server is overloaded or the network is slow, you may see the following error message:

helix% blast x89712.genpept -default

 Sending query...
 Awaiting results...

 ** Server did not say "OK".
Your options are to try again later, use the Blast email server (add '-mail' to the command line), or use Blast via the web.

The old 'blast -batch' command doesn't work anymore; to run blast in batch mode see How do I run blast searches in batch mode