[GH-ISSUE #101] "Configuration.DkimSigner.exe is not a valid Win32 application" error in Windows Server 2003 #80

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opened 2026-02-26 10:35:42 +03:00 by kerem · 3 comments
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Originally created by @obramin on GitHub (Oct 12, 2015).
Original GitHub issue: https://github.com/Pro/dkim-exchange/issues/101

Archive is ok, file not locked, but i can't execute it. =(
ejlj4xvah0s9urnrhdigxa

Originally created by @obramin on GitHub (Oct 12, 2015). Original GitHub issue: https://github.com/Pro/dkim-exchange/issues/101 Archive is ok, file not locked, but i can't execute it. =( ![ejlj4xvah0s9urnrhdigxa](https://cloud.githubusercontent.com/assets/15092843/10433652/7b1d9c4c-7135-11e5-8da1-5667d2f0fbb3.jpg)
kerem closed this issue 2026-02-26 10:35:42 +03:00
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@Pro commented on GitHub (Oct 12, 2015):

Honestly I never tried it on a Windows Server 2003 and since it's a quite old OS (support ended in July 2015) it's not supported by this signer.
The problem here is that the app is compiled for 64 bit and you installed a 32 bit windows which won't work.
You can try the manual installation, maybe that works? (see https://github.com/Pro/dkim-exchange#manual-install and https://github.com/Pro/dkim-exchange#manual-configuration)

<!-- gh-comment-id:147510051 --> @Pro commented on GitHub (Oct 12, 2015): Honestly I never tried it on a Windows Server 2003 and since it's a quite old OS (support ended in July 2015) it's not supported by this signer. The problem here is that the app is compiled for 64 bit and you installed a 32 bit windows which won't work. You can try the manual installation, maybe that works? (see https://github.com/Pro/dkim-exchange#manual-install and https://github.com/Pro/dkim-exchange#manual-configuration)
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@obramin commented on GitHub (Oct 25, 2015):

OS version is 64-bit =(
gm3cte8i5uw6mlxc3nsg

<!-- gh-comment-id:150954464 --> @obramin commented on GitHub (Oct 25, 2015): OS version is 64-bit =( ![gm3cte8i5uw6mlxc3nsg](https://cloud.githubusercontent.com/assets/15092843/10717226/4202641a-7b7b-11e5-9bd3-31ec857d24a7.jpg)
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@AlexLaroche commented on GitHub (Oct 27, 2015):

Windows Server 2003 doesn't support .NET 4.5.
Windows Server 2003 only support .NET 4.0.

Reference : https://msdn.microsoft.com/en-us/library/bb822049(v=vs.110).aspx

The configuration tool need .NET 4.5.
The signer need .NET 2.0 or .NET 4.0. (see documentation for more details)

You could manually install the DKIM Signer agent.

<!-- gh-comment-id:151663140 --> @AlexLaroche commented on GitHub (Oct 27, 2015): Windows Server 2003 doesn't support .NET 4.5. Windows Server 2003 only support .NET 4.0. Reference : https://msdn.microsoft.com/en-us/library/bb822049(v=vs.110).aspx The configuration tool need .NET 4.5. The signer need .NET 2.0 or .NET 4.0. (see documentation for more details) You could manually install the DKIM Signer agent.
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