Getting 404 error - external access

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Posted on by a.lozinskyi

Hi everyone.

IFD works fine when accessing it in Intranet but I'm getting 404 error on external access even before login.

My url in browser is something like

.../adfs/ls/?wa=wsignin1.0&wtrealm=https%3a%2f%2fcrm.*****.ru%2f&wctx=rm%3d1%26id%3d4f653da2-f7b0-4f61-82bf-522d5f35a575%26ru%3dhttps%253a%252f%252fcrm.***.ru%252fdefault.aspx%26crmorgid%3dea9d3620-81a7-4003-8eba-5a0014c199ae&wct=2020-05-04T15%3a08%3a33Z&wauth=urn%3aoasis%3anames%3atc%3aSAML%3a1.0%3aam%3apassword

When I replace "default.aspx" with "main.aspx" in it and open this url in a new window, everything is ok. But if I clear cache and cookies, or just open it in a private mode or another browser, the problem reappears.

Version of CRM - 9.0.15.9.

Looking for some help and hints, thanks in advance.

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Hugo Serras on at

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RE: Getting 404 error - external access

Hello a.lozinskyi,

I would advise you to check your Bindings in IIS server. You can only have 443 configured.

Also, check your rules in your Relying party trust.

You can see all the necessary configurations here:

docs.microsoft.com/.../configure-ifd-for-dynamics-365

Best regards