Existing ATC Clients
Get help with a technology issue.
Use the options below to open a support request or access an ATC-approved remote-support session. Support availability and response times are governed by your organization’s service agreement.
Choose how to reach us
Support options
Open a Support Ticket
Best for most requests.
Call ATC Support
Use for urgent business-impacting issues.
Start a Remote Session
Use only when directed by ATC.
Urgent security concern
If you suspect an account takeover, fraudulent payment request, ransomware, stolen device, or other active security incident, call the designated ATC support number immediately. Do not continue interacting with the suspicious message or device unless ATC instructs you to do so.
Help us help you faster
Before submitting a ticket
- Describe what you were trying to do and what happened instead.
- Include the affected device, application, user, and location when known.
- Attach a screenshot of the error if it does not expose sensitive information.
- Explain whether the issue affects one person, several people, or the entire organization.
- Never include passwords, verification codes, full payment-card numbers, or other secrets in a ticket.
Remote-support safety notice
Only download or run remote-support software from this page or from instructions you have verified directly with ATC. ATC will not ask you to disclose your password or multi-factor authentication code. If you are uncertain whether a request is legitimate, stop and call ATC using the published support number.
Not sure which service fits the problem?
Start with the business challenge. ATC will help identify the technology, security, and planning work required to address it.