JSI Tip 9758. How to troubleshoot the 'Cannot generate SSPI context' error message?

Microsoft Knowledge Base Article 811889 contains the following summary:

This step-by-step article describes how to troubleshoot the most typical sources of the "Cannot generate SSPI context" error message. You may receive this error message under the following conditions:

• You are connecting to SQL Server.

• You are using Integrated Security.

• Kerberos is used to perform the security delegation.