password protection on a CD/DVD is lost when copied to another CD.

Question

I copied password protected pdfs to a CD. The password protection was working on the CD. When I open a pdf on the CD, it asked me for the password. I made a copy of the CD for BACKUP purposes. On the BACKUP CD, password protection was gone. When I opened a pdf that had been protected on the original CD, it didn't ask for the password. Is this working as designed?

Although it doesn't seem it would make any difference...My system has only one CD drive. The phrase "made a copy of the CD..." involved copying the contents of the original CD to a disk file, then copying that disk file to the BACKUP CD.

Thanks in advance for any suggestons.

Dov Isaacs · Accepted Answer

The application doing the copy is Windows Explorer. Do you think it understands how to unprotect a pdf? I don't. The application doing the protect is Adobe Acrobat Pro DC. This isn't the free version. I pay for the product and it seems to me that Adobe is ethically obligated to support it.

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try67 <forums_noreply@adobe.com> wrote:

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"password protection on a CD/DVD is lost when copied to another CD."

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phillipr30442542 wrote
The application doing the copy is Windows Explorer. Do you think it understands how to unprotect a pdf? I don't. The application doing the protect is Adobe Acrobat Pro DC. This isn't the free version. I pay for the product and it seems to me that Adobe is ethically obligated to support it.

There is absolutely nothing that Windows Explorer does to the internals of a PDF file or any other type of file when it performs a copy, move, or rename operation.

If you protect a PDF file in Acrobat and save it and then open the file and see that the protection is still there, after simply closing the file, subsequent use of Windows Explorer to copy, move, or rename the file will not remove any PDF protections.

I've tried this on systems here at Adobe (simply copying files with Explorer and not between CDs or CDRs) and cannot repeat what you are reporting. There must be some step that you are performing (or not) that you aren't aware of and reporting to us for this symptom to occur.

- Dov

Bernd Alheit · Answer

What can you see in Adobe Acrobat under File > Properties > Security ?

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