Re: [AMBER] Simulations Without Network

From: David Cerutti <>
Date: Fri, 27 Mar 2020 12:56:55 -0400

If Amber is installed on your machine, barring the need to install updates,
it should work to run pmemd, sander, and other major programs without
network access. The major engines do not need to reach out and get force
fields from an encrypted server like Maestro, but I can't speak for every
program in the package.


On Fri, Mar 27, 2020 at 12:35 PM Garcia, Mauro <> wrote:

> Dear All,
> My research lab has relocated our computers that have the AMBER software
> on them. I tried running a simulation, as I normally do (this time
> off-campus) and I get the error message, “No network interfaces were found
> for out-of-band communications. We require at least one available network
> for out-of-band messaging.” However, after speaking to one of our
> collaborators, they were still able to run simulations while not being
> connected to a network, so I do not suspect it is a networking issue
> because most software works without internet once it is installed. Any
> ideas of how I may troubleshoot and correct this error message?
> We have tried to connect our system via ethernet at my apartment but
> cannot connect here. The question is, is it necessary to connect to a
> network to run simulations and energy calculations on AMBER18?
> Best regards,
> Mauro A. Garcia
> Master of Science in Chemistry, TAMUCC ‘21
> Computational Chemistry Graduate Research Student, Billiot Lab
> Graduate Teaching Assistant, Department of PENS
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Received on Fri Mar 27 2020 - 10:00:03 PDT
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