Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'

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Posted on by Community Member Microsoft Employee

Hi,

I would ask of you to help a problem EP. The error Login failed for user 'NT AUTHORITY \ ANONYMOUS LOGON' when I try to access the EP externally. I have a database and the EP on separate machines.

The settings of IIS authentication is:

anonymous authentication: disable

asp.NET impersonation: enable

basic authentication: disable

digest authentication: disable

forms authentication: disable

windows authentication: enable

In sharepoint:

authentication: windows

integrated windows authentication

NTLM

Anyone know how can I solve this problem?

Thank you,

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Bashir Ahmad 5,248 on at

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RE: Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'

Here are the steps to resolve Error “Login failed for user ‘NT AUTHORITY\ANONYMOUS LOGON”:

Open Powershell (Run as Administrator) and type the following lines:

$bdc = Get-SPServiceApplication | where {$_ -match “Business Data Connectivity Service”}

$bdc.RevertToSelfAllowed = $true

$bdc.Update();

Once above is done, Open the External Content Type in SharePoint Designer 2010 and Click on Edit Connection Properties.

Once the Edit Connection Properties dialog opens, ensure that you have selected the “BDC Identity” value for the Authentication Mode property.

Go Back to the External Content Type read screen in your SharePoint site and hold your Ctrl key and click the refresh button on your browser.

The error “Login failed for user ‘NT AUTHORITY\ANONYMOUS LOGON” should now get resolved
Denis Macchinetti 16,444 on at

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RE: Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'

Hi Alex

Have you checked the event viewer on AOS and IIS server ?
Community Member Microsoft Employee on at

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RE: Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'

Apparently, the problem is that the User is taking this request to the database, now a developer is analyzing this, because part of this infrastructure all ok apparently.
Community Member Microsoft Employee on at

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RE: Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'

Essa configuração do anonymous no IIS e Sharepoint tambem ja foi testada conforme essa documentação, mas eu tenho certeza como estava a configuração enable Guest User on AX and assign a specific Role. Eu irei checar essa configuração.

Thanks
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Denis Macchinetti 16,444 on at

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RE: Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'

Hi Alex

The "anonymous authentication" must be enabled both IIS and SharePoint.

Also you have to enable Guest User on AX and assign a specific Role.

Take a look at technet.microsoft.com/.../hh285823.aspx
Community Member Microsoft Employee on at

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RE: Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'

Hi,

Thanks for the tip, but this flag was already cleared.
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Community Member Microsoft Employee on at

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RE: Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'

Please validate the setup of your EP website in Dynamics AX whether 'Annonymous access' is set

if it is ticked then remove it.

you will find this under System Administrator > Setup > enterprise portal > Web sites

Please verify and update us with your findings.