Configure the HTTP Service Principal Name
Use this procedure to create an HTTP SPN for each Enterprise Portal and SQL Server Report Server computer. You can perform this procedure from one computer. It is not necessary to perform this procedure locally on each server.
1. Open the Windows Support Tools command prompt (Start > All Programs > Windows Support Tools > Command prompt).
2. At a command prompt, type the following command and press Enter: Setspn.exe -A HTTP/{server name} {application pool account} For this command, remove the braces {}, replace server name with the name of the server computer, and replace application pool account with the domain\name used for the IIS application pool. Here is an example of this command:
Setspn.exe -A HTTP/EnterprisePortal1 contoso\WebAccount
3. Type the following command and press Enter: Setspn.exe -A HTTP/{the server fully-qualified domain
name} {application pool account} For this command, remove the braces {}, replace the server fully-qualified domain name with the FQDN of the server computer, and replace application pool account with the domain\name used for the IIS application pool. Here is an example of this command:
Setspn.exe -A HTTP/EnterprisePortal1.contoso.corp.contoso.com contoso\WebAccount
4. Repeat this procedure to create an HTTP SPN for each Enterprise Portal and SQL Server Report Server computer