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Kerberos authentication does not work when Enterprise Portal uses a non-standard port 

We started configuration from standard WhitePaper Microsoft Dynamics AX 2009 White Paper: Configuring Kerberos Authentication with Role Centers However even if Kerberos and SPNs are configured correctly you can run into an authentication issue, if you have the following components running on their own server with Windows Server 2008 as the operating system: Microsoft SQL...

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Kerberos Authentication Error Code: 0x7 KDC_ERR_S_PRINCIPAL_UNKNOWN Extended Error: 0xc0000035 KLIN(0) 

We came across an issue recently where we are using Microsoft Dynamics AX 2009, and we have the Enterprise Portal Server (EP), Reporting Server and Analysis server had been configured to use Kerberos Authentication as per the whitepaper “Configuring Kerberos Authentication with Role Centers”, dated February 2009. If we browse the Role Center pages from the EP...

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Unable to edit the DCOM settings for IIS WAMREG admin service on a Windows Server 2008 R2 when trying to configure Kerberos Authentication for Role Centers 

We came across an issue recently where we were configuring Enterprise Portal and Role Centers to use Kerberos authentication. One of the steps in the whitepaper (and also as given here http://technet.microsoft.com/en-us/library/ee355057.aspx) is to configure DCOM settings to grant the business connector proxy user account Launch and Activation permissions for the IIS WAMREG admin service...

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Configuring Service Principal Names 

A service principal name, also known as an SPN, is a name that uniquely identifies an instance of a service. For proper Kerberos authentication to take place the SPN’s must be set properly. SPN’s are Active Directory attributes, but are not exposed in the standard AD snap-ins. IMPORTANCE OF SPN’s Ensuring the correct SPN’s are...

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