JSI Tip 10061. When you connect to a computer running IIS 4.0 or IIS 5.0, you receive 'HTTP Error 500-13 - Server too busy'?

Microsoft Knowledge Base Article 248037 contains the following description:

When you connect to a computer running Internet Information Server (IIS) 4.0 or Internet Information Services (IIS) 5.0, you may receive the following error message: HTTP Error 500-13 - Server too busy The request cannot be processed at this time....