Often overlooked during the installation of a Microsoft SQL Server is the creating of the required Service Principal Name(s) (SPN) to enable authentication through Kerberos. SCOM highlights this oversight nicely with this warning:

Alert Description
SQL Server cannot authenticate using Kerberos because the Service Principal Name (SPN) is missing, misplaced, or duplicated.
Service Account: CONTOSO\s_clsql_sqlsrv_de
Missing SPNs: MSSQLSvc/, MSSQLSvc/
Misplaced SPNs:
Duplicate SPNs:

The solution is simple: create the SPNs. All the info you need is actually in the alert's description. Use the information to create the SPNs.

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On March 18th 2016 at 22:43, Almena wrote:
No more s***. All posts of this qulatiy from now on