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NERSC Help and Support

NERSC strives to be the most user friendly supercomputing center in the world.


Help Desk

The online help desk is the preferred method for contacting NERSC.


NERSC Consultants handle thousands of support requests per year. In order to ensure efficient timely resolution of issues include as much of the following as possible when making a request:

  • error messages
  • jobids
  • location of relevant files
    • input/output
    • job scripts
    • source code
    • executables
  • output of module list
  • any steps you have tried
  • steps to reproduce


You can make code snippets, shell outputs, etc in your ticket much more readable by inserting a line with:

before the snippet, and another line with:
after it. (For a full list of formatting options, see this ServiceNow article)

Access to the online help system requires logging in with your NERSC username, password, and one-time password. If you are an existing user unable to log in, you can send an email to for support.

If you are not a NERSC user, you can reach NERSC with your queries at or

Phone support

Consulting and account-support phone services have been suspended.

To report an urgent system issue, you may call NERSC at 1-800-66-NERSC (USA) or 510-486-8600 (local and international).