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Outage in AdvancedMD

Eligibility Processing Error: Invalid Participant Identification / Credentials not associated with user

Resolved Minor
April 07, 2026 - Started 9 days ago - Lasted 1 day
Official incident page

Incident Report

We are actively investigating an intermittent issue where some eligibility responses are returning an "Invalid Participant Identification / Credentials not associated with user" error. Our technical teams are engaged and working to identify the root cause and restore full functionality. Incident Managers will continue to provide updates here as additional information becomes
Components affected
AdvancedMD Eligiblity

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Latest Updates ( sorted recent to last )
RESOLVED 8 days ago - at 04/08/2026 09:05PM

This incident has been resolved.

MONITORING 8 days ago - at 04/08/2026 08:47PM

A fix has been implemented and we are monitoring the results.

IDENTIFIED 8 days ago - at 04/08/2026 06:20PM

We understand the disruption this issue is causing and sincerely apologize. We have identified the root cause of the eligibility issue resulting in an "Invalid Participant Identification / Credentials not associated with user" error and are actively validating a fix. Our next update will be provided no later than 2:30 PM MT.

IDENTIFIED 8 days ago - at 04/08/2026 03:03PM

We have identified the root cause of the eligibility issue resulting in an "Invalid Participant Identification / Credentials not associated with user" error and are actively working to implement a solution. Our next update will be provided by 1:00 PM MT.

INVESTIGATING 9 days ago - at 04/08/2026 04:05AM

We continue to work to resolve the eligibility issue resulting in an "Invalid Participant Identification / Credentials not associated with user" error for some clients. Our engineering team is collaborating with our clearinghouse partner to assist in the resolution. Our next update will be provided by 9:00 AM MT.

INVESTIGATING 9 days ago - at 04/08/2026 01:36AM

We are continuing to work to resolve the eligibility error causing an "Invalid Participant Identification / Credentials not associated with user" error for some clients. Our engineering team is working to resolve this as quickly as possible, and we are collaborating with our clearinghouse partner to assist in the resolution. We will continue to provide updates as new information becomes available.

IDENTIFIED 9 days ago - at 04/07/2026 11:29PM

We are continuing to work on a fix for this issue.

IDENTIFIED 9 days ago - at 04/07/2026 08:19PM

The issue has been identified and a fix is being implemented.

INVESTIGATING 9 days ago - at 04/07/2026 06:59PM

We are actively investigating an intermittent issue where some eligibility responses are returning an "Invalid Participant Identification / Credentials not associated with user" error.

Our technical teams are engaged and working to identify the root cause and restore full functionality. Incident Managers will continue to provide updates here as additional information becomes

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