What are common causes of a 503 error on a web server?

By: USER7113
26 Agustus 2025 Support 5 minutes
4.5
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Question

Grade: Education Subject: Support
What are common causes of a 503 error on a web server?
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Answer (54)

Best Answer
(271)
Common causes include: server overload (too many requests), scheduled maintenance, application crashes, database connection issues, resource exhaustion (memory, CPU), or problems with load balancers. Check server logs for more specific error messages related to the 503.
Answered on 26 Agustus 2025

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