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Microsoft Dynamics CRM (Archived)

Opening CRM internal in Browser ends with Error 400

Posted on by Microsoft Employee

Hi @ll!

Yesterday someone got the excellent idea to clean up some SPN´s  - so far so good, but it looks like they killed a needed one.

But i can´t figure out which ...

The Problem:

External: everything works!

Internal: mycrm.mydomain.com >> Opening with IE / Edge ends up with error 400 - also it prompts

>> Opening with Firefox, Chrome, Opera - everything works like a charme, with prompt

so it looks like my SSO is broken too....

Any ideas what is missing ?

THX!

*This post is locked for comments

  • Verified answer
    Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: Opening CRM internal in Browser ends with Error 400

    After some days i found the wrong SPN, everything is working.

    If your stuck in such a case, check the Administrative ERROR  Log on  CLIENT Machine, if a Kerberos Error is present, something with SPN´s is wrong!

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