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IIS Support Blog
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ASP.NET Core: 503 Server has been shutdown

MattHamrick's avatar
MattHamrick
Icon for Microsoft rankMicrosoft
May 26, 2023
We've encountered a few support cases where customers, usually after some time, have an ASP.NET Core application hosted in IIS in-process that starts returning this "HTTP 503 Server has been shutdown...
Updated Jan 22, 2025
Version 4.0
503
ASP.NET Core
IIS
in-process
cmcdanieldev's avatar
cmcdanieldev
Copper Contributor
Aug 22, 2024

Thanks a ton Matt!

Mine wasn't exactly the same syntax but you gave me enough to go on to save the day 🙂

So glad I happened upon this one!!!