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OLCF User Assistance Center

Can't find the information you need below? Need advice from a real person? We're here to help.

OLCF support consultants are available to respond to your emails and phone calls from 9:00 a.m. to 5:00 p.m. EST, Monday through Friday, exclusive of holidays. Emails received outside of regular support hours will be addressed the next business day.

User Assistance Center

See this article in context within the following user guides: Titan

The OLCF User Assistance Center (UAC) provides direct support to users of our computational resources.


The center’s normal support hours are 9am EST to 5pm EST Monday through Friday, exclusive of holidays.

Contact Us
Email help@olcf.ornl.gov
Phone: 865-241-6536
Fax: 865-241-4011
Address: 1 Bethel Valley Road, Oak Ridge, TN 37831

The OLCF UAC is located at the Oak Ridge National Laboratory (ORNL) in Building 5600, Room C103.

After Hours

Outside of normal business hours, calls are directed to the ORNL Computer Operations staff. If you require immediate assistance, you may contact them at the phone number listed above. If your request is not urgent, you may send an email to help@olcf.ornl.gov, where it will be answered by a OLCF User Assistance member the next business day.

Ticket Submission Webform

In lieu of sending email, you can also use the Ticket Submission Web Form to submit a request directly to OLCF User Assistance.