Hi, Carlos.

>I have a windows XP network with 4 computers, one of them is the server and the others the clients.
>I want to save a backup file(.zip) from the clients or from the server to a CD-ROM RW in the PC server.
>Is it possible?
>How to do that?

Most CD-ROM software have an option like Direct-CD which lets you use the

>How to test if the CD-ROM in the server is ready and if the CD in the CD-ROM is a writer CD.

You can check this using Windows Script Host, like:

oFS = CreateObject("Scripting.FileSystemObject")
oFS.GetDrive("D:")
oDD = oFS.GetDrive("D:")
? oDD.DriveType
? oDD.FileSystem

Hope this helps,