Microsoft no longer supports CDONTS in Windows Server 2003 because it can become unstable and stall when sending email messages. By default, only CDOSYS is included. However, if CDONTS is still needed:
1. Download and unzip the attached file into the C:\WINDOWS\system32 directory.
2. Open up a command prompt from the list of PROGRAMS see ACCESSORIES. From the command prompt, type in
This should make CDONTS available from scripts on web pages. If not, check over permissions to make sure that the USER group has read and execute permissions to the file.