RealVNC incident
Intermittent issues signing in with EntraID Single Sign-On
RealVNC experienced a notice incident on September 16, 2024 affecting Account authentication, lasting 2d 22h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 16, 2024, 10:04 AM UTC
We are currently investigating the issue.
- identified Sep 16, 2024, 12:19 PM UTC
The issue has been identified and a fix has been deployed. Please try signing in again.
- identified Sep 16, 2024, 02:16 PM UTC
We are continuing to work on a fix for this issue.
- monitoring Sep 16, 2024, 02:18 PM UTC
A fix has been implemented and we are monitoring.
- investigating Sep 17, 2024, 07:43 AM UTC
We are continuing to investigate the cause of this SSO issue which is affecting some customers.
- investigating Sep 17, 2024, 08:04 AM UTC
We are continuing to investigate the cause of this SSO issue which is affecting some customers.
- identified Sep 17, 2024, 09:42 AM UTC
The issue has been identified and we are continuing to work on a resolution. The recommended workaround for the time being is to upgrade VNC Viewer to 7.12.1.
- resolved Sep 19, 2024, 08:19 AM UTC
The issue has been identified. The root cause is a change to EntraID tokens made by Microsoft which is incompatible with older versions of RealVNC Viewer (versions prior to 7.11.0). Customers are advised to upgrade to the latest version of RealVNC Viewer.