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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / Web Client is promptin...
Small and medium business | Business Central, N...
Answered

Web Client is prompting for login credentials

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Posted on by Microsoft Dynamics ... Microsoft Employee

SYMPTOM:

When trying to login to BC using Windows Authentication using the server name it keeps asking for the user name and password

But when login in with the IP address it is working fine.

Cause:

Two possible mitigations:

  1. Missing reg key BackConnectionHostNames, restart (Error message when you try to access a server locally by using its FQDN or its CNAME alias after you install Windows Server 2003 Service Pack 1 - Windows Server | Microsoft Docs)
  2. In IIS you changed from negotiation & NTLM to only NTLM
    1. In IIS Manager
    2. Select your site (BC)
    3. Click on the Authentication module
    4. Select Windows Authentication
    5. Select Providers...
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    Microsoft Dynamics 365 Business Central Profile Picture
    Microsoft Dynamics ... Microsoft Employee on at

    FYI

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