Azure AD Application Proxy Connector reports: The Connector failed to establish connection with the service.

Prashant 31 Reputation points
2022-11-01T21:53:26.667+00:00

Hi all.

Azure AD Application Proxy Connector reports: The Connector failed to establish connection with the service.

This suddenly started occurring.

I have ensured all Prereqs are still in place. There is no outbound blocks to my knowledge. The server is Windows Server 2022, fully patched and has been running for many many months without incident. I have even re-installed clean the latest connector.

Please advise.

Thank you.

Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
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  1. Federico Piazza 21 Reputation points
    2022-11-02T09:43:50.303+00:00

    Same problem starting this moring:

    Azure AD Application Proxy
    Status code: GatewayTimeout

    No change from our side in the past 10 days

    3 people found this answer helpful.
  2. Niemelä Jonathan 16 Reputation points
    2022-11-02T10:19:27.417+00:00

    Same problem with two different Application Proxies.

    Problem started also this morning.

    3 people found this answer helpful.
    0 comments
  3. Wojtyniak Hubert 11 Reputation points
    2022-11-02T10:28:01.333+00:00

    I have the same problem.
    Gateway timeout: The service is unable to reach the connector.
    Root caouse: No active connectors preset in the group.
    The services on the servers are working properly - no errors and warnings in the event log.
    Connectors in the portal report Active status.
    Users report random access to the application.

    2 people found this answer helpful.
    0 comments
  4. Bananaphone 16 Reputation points
    2022-11-02T12:06:35.007+00:00

    same here, seems to work.... but kind of sad there was no information on MS Health or Azure Health... makes you troubleshoot locally and waste your time ...

    2 people found this answer helpful.
  5. Prashant 31 Reputation points
    2022-11-01T23:39:38.707+00:00

    Service has been restored and is being monitored. However, I would like to know of any potential changes / issues that I should / may need to accommodate for. Thank you.

    1 person found this answer helpful.