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Asked: 2026-06-11T10:51:55+00:00

I’m developing an application which import a lot of data, in some paralells thread.

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I’m developing an application which import a lot of data, in some paralells thread.

Sometimes I got the OutOfMemoryException(when I use something like 1.5, 1.7GB of ram).

No big deal, I thought that I will make this a 64bit program(because it’s not so huge). But because of a .Net bug(cannot have a primary key in decimal in 64 bits), I just cannot make a 64 bits program.( description of the problem and I found many other case. And I just can’t change anything in this database, not even a type or add a view).

I don’t need a lot more than the 1.5-1-7GB of RAM. If only I can reach something like 2.5GB, I will be happy.

I read something about the “LARGEADDRESSAWARE”, but I didn’t find where to set it on my visual studio, and most of other tips where saying that I should modify the boot.ini file.

But since my computer is already a 64bits computers(with something like 8GB of ram), I don’t think I’ve to do something here.

So what should I do to get access to those 3GB of ram?

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1 Answer

  1. Editorial Team

    Use editbin to set LARGEADDRESSAWARE flag like suggested in Can I set LARGEADDRESSAWARE from within Visual Studio?.

    editbin /largeaddressaware $(TargetPath)

    You need to run x64 version of Windows or as you’ve mentioned for 32bit system change Boot.ini to allow apps use 3Gb of address space with /3GB switch.

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