Error in parallel pool

parpool('local', numWorkers);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Caused by:
Error using
parallel.internal.pool.SpfClientSession
Failed to open any port in the range [27370
28370]. Verify that at least one port is
available in this range and not in use by
another process on this machine. Cause:
Failed to bind to ::1:28370 with error:
Cannot assign requested address.

2 Comments

It sounds as if your matlab process is being restricted by an internal firewall
Agreed. I'd suggest contact Technical Support (support@mathworks.com) to help troubleshoot this.

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Answers (1)

I'm curious, does a Thread pool work?
parpool("Threads")

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Release

R2024b

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Asked:

on 10 Aug 2025

Commented:

on 22 Aug 2025

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