Digital Signature Removed Error

Question

We are facing digital signature removed problem with pdf files after merging into a single file using adobe acrobat different versions, which are mentioned below. Also we checked with portfolio option and it is giving some other issues after combined. kindly provide a solution to fix it.

1) Adobe acrobat 9 pro

2) Adobe acrobat DC 2015

3) Adobe acrobat pro 2017

Amal. · Answer

Hi Ckr,

Hope you are doing well and sorry for the trouble. As described the digital signature gets removed after merging them into different PDF files.

Once the PDF is signed it gets locked for further changes. It is a design behavior, once the PDF is signed using a digital signature any change in the document will invalidate the digital signature.

For more information, you may also refer to the similar discussions listed below:

- https://community.adobe.com/t5/acrobat/combining-pdfs-with-digital-signature/td-p/9731759?page=1

- https://answers.acrobatusers.com/NEED-merge-digitally-signed-documents-q302905.aspx

Also, please share more details about the issue you are experiencing when creating a PDF protfolio. If you are getting any error message please share the screenshot of the same for a better understanding.

Additional information: Adobe Acrobat 9 and 2015 are EOL applications. For more information about EOL please check the pages below:

- https://helpx.adobe.com/acrobat/kb/end-support-acrobat-8-reader.html

- https://helpx.adobe.com/acrobat/kb/end-of-support-acrobat-2015-reader-2015.html

Regards

Amal

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