Response.Status
IIS 6.0
The Status property specifies the value of the status line returned by the server; you can use it to modify the status line. Status values are defined in the HTTP specification.
Response.Status =[StatusDescription]
Client: Requires Windows XP Professional, Windows 2000 Professional, or Windows NT Workstation 4.0.
Server: Requires Windows Server 2003, Windows 2000 Server, or Windows NT Server 4.0.
Product: IIS