With 2003c: /Windows/Microsoft.Net/framework/v1.1.4322/ASPNET_REGIIS.EXE -I C: /Windows / Microsoft.Net/framework/v1.1.4322/ASPNET_REGIIS.EXE -R
Use 2005c: / windows/microsoft.net/framework/v2.0.40607/ASPNET_REGIIS.EXE -IC: /WINDOWS / AIFIS.NET/Framework/V2.0.40607/ASPNET_REGIIS.EXE -R