Question
What is the difference between a 503 Service Unavailable and a 504 Gateway Timeout error in the context of SSRS?
Asked by: USER1411
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112 Answers
Answer (112)
A 503 Service Unavailable indicates the server is unable to handle the request due to temporary issues. A 504 Gateway Timeout suggests that a server upstream of SSRS (likely the SQL Server database) is taking too long to respond, effectively causing SSRS to time out and return a 503. They represent different points of failure in the reporting pipeline.