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Asked: 2026-05-20T05:11:24+00:00

I have an asp.net application that uses the file (something like hand-made DB). It

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I have an asp.net application that uses the file (something like hand-made DB). It opens the file in non-shared mode. That’s why only a single instance of site can use it.

But the problems begin when I’m updating the site on server (via app_offline.htm trick)

Sometimes the updated instance of AppDomain starts before the old application has stopped.
I have 2 instances of AppDomain working at the same time.

Is there any standard way to prevent it?

PS: I know about “Overlapped recycle” setting in Application Pool, but this is another thing. It is for multiple application pools working at the same time, but I have single application pool with several instances of the same application.

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1 Answer

  1. Editorial Team

    This article perfectly explains the situation.

    To solve my problem I need to use

    HostingEnvironment.RegisterObject()

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