Support Bulletin: APP & CS001: Intermittent 503 Errors [RESOLVED]

  • Updated


Issued: February 1st 2024

We're reaching out to inform you of ongoing issues with intermittent 503 errors being seen on and



At 7:40 pm UTC,  Our platform monitoring detected 503 errors on some systems supporting APP and CS001 SaaS environments. At roughly 8:30 pm UTC users reported experiencing intermittent 503 errors in these environments. 


Contrast determined the cause and deployed a fix and as of 9:20 pm UTC, service was fully restored and 503 errors resolved.


During the course of the incident:


  • No other Contrast SaaS systems were impacted.
  • Agent traffic was not impacted.


  • The Contrast team continues to monitor the health of the service, and this incident is now considered resolved.
  • A retrospective will be held to determine what actions are needed to avoid a future recurrence.

If you have any questions, concerns, or would like to discuss this issue further, please don’t hesitate to reach out to us at

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