Symptoms

You receive the following error message in Microsoft Dynamics SL:

<DOMAIN\<USER NAME> could not be authenticated. Please enter a valid Windows User Name with permissions to the domain SQL Server is running.

This message may occur of one of the following is true:

You are upgrading Microsoft Dynamics SL and you select Windows authentication as the authentication type.
You are changing the authentication type from SQL Server authentication to Windows authentication.

Cause

The SQL Server Service user does not have READ permissions to the Domain User Account objects in Active Directory.

Resolution

Grant the SQL Server Service user READ permissions to the user account objects or change the SQL Server Service user to a domain account that has READ permissions. To verify the SQL Server Service User, follow these steps:

1.

Log on to Windows on the computer where SQL Server is installed.

2.

Open Control Panel .

3.

Click Administrative Tools , and then click Services .

4.

Right-click SQL Server (MSSQLSERVER) , and then click Properties .

5.

On the Log On tab, note the account.

More Information

Note The account must have READ permissions to the domain user account objects in Active Directory. If Local System account is selected, the Computer object in Active Directory for the computer that is running SQL Server must have READ permissions to the Domain User Account objects in Active Directory.

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