| Event Id | 685 |
| Source | Microsoft-Windows-ADFS |
| Description | The Federation Service Proxy was not able to update trust information from the Federation Service. The Federation Service's Secure Sockets Layer (SSL) server certificate could not be validated. Federation Service URL: %1 |
| Event Information | According to Microsoft : Cause : This event is logged when the Federation Service Proxy was not able to update trust information from the Federation Service. Resolution : Examine the SSL server certificate Check that the federation server's Secure Sockets Layer (SSL) server certificate, which is defined in Internet Information Services (IIS) for single sign-on (SSO), chains to a root certificate that is in the Local Computer Trusted Root Certification Authorities certificate store in the federation server proxy. Check that the SSL server certificate is neither expired nor revoked. Check that the SSL server certificate subject matches the host name portion of the Federation Service Uniform Resource Locator (URL). Verify Verify that a specific event (ID 674) was generated on the federation server proxy computer. This event is generated when the federation server proxy is able to successfully communicate with the Federation Service. To perform this procedure, you must be a member of the local Administrators group, or you must have been delegated the appropriate authority. 1.Log on to a client computer with Internet access. 2.Open a browser window, and then type the Uniform Resource Locator (URL) for the Federation Service endpoint, along with the path to the clientlogon.aspx page that is stored on the federation server proxy. 3.Press ENTER. 4.Log on to the federation server proxy. 5.Click Start, point to Administrative Tools, and then click Event Viewer. 6. In the details pane, double-click Application. 7.In the Event column, look for event ID 674. If the federation server proxy is configured properly, you see a new event in the Application log of Event Viewer, with the event ID 674. This event verifies that the federation server proxy was able to communicate successfully with the Federation Service. |
| Reference Links | Event ID 685 from Source Microsoft-Windows-ADFS |
Catch threats immediately
We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.