Digital Signature getting invalidated

Hi ,
I am getting the following error (Report Code - 400 Unrecognized PDF content: The document contains PDF content or custom content not supported by the current version of Adobe Reader.The document appears to have been produced by a later version of Acrobat.) when i am digitally signing my form, due to which my signature is breaking. What can be the reason for this error ?
P.S - I am using Adobe Life Cycle Designer ES 2 and Adobe Reader Version 9.1

Kindly check SAP note: 1589254 and 1168740 as it has all the information regarding this 1847862 - New Form 16 Layout for Financial Year 2012-2013

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Digital signatures getting more difficult

I'm sure there are good reasons for the changes, but from my viewpoint digital signatures in Acrobat are becoming less convenient with each new version I try.
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I'm guessing that the changes to digital signature functionality have something to do with making signed PDFs more secure and more difficult to tamper with, but I find it hard to believe that can't be accomplished without losing so much functionality.
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What viewer are you using for showing the PDF?

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Greetings forum,
I have question regarding dynamic xfa forms and hope, that you can help me.
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Irina2000

Sounds like you tried to fill in a form using Acrobat without the form feature use. Actually iText from what I can see is not using Acrobat, but a third party product. To fill in the form, you simply use the hand tool to move over a form field where the tool will change to an Ibeam or similar pointer tool. Select the field and type in the data. That should not make any changes to the PDF in the sense that has been stated. I have no clue where iText comes into the picture.

Digital signature is invalid

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Hello there,
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Digital Signatures getting lost when page presence set to hidden

HI All,
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What viewer are you using for showing the PDF?

!!! Digital Signature - get Signer name

Hi all,
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hi
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Digital Signature Turns Invalid while setting the Property Dynamically to an Input Field

I have an Input box that turns mandatory only if a check box is clicked.
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Regards,
Anuj

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Hi Clint,
Thanks for posting on MSDN forum.
This forum is for developers discussing developing issue involve Word product. Since the issue is more relative to end-user, I would like to move it to
Technet forums - Word IT Pro Discussions - Microsoft to get more effective response.
The reason why we recommend posting appropriately is you will get the most qualified pool of respondents, and other partners who read the forums regularly can either share their knowledge or learn from your interaction with us.
Thanks for your understanding.
Regards & Fei
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[HKEY_CURRENT_USER\Software\Adobe\Adobe Acrobat\8.0\AVAlert\cCheckbox]
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Hey Everyone,
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Hi Imran,
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Edited by: suresh on Mar 12, 2009 2:21 AM

Second digital signature invalidates the first one

Hello to all,
I'm having some troubles adding a second digital signature to an already digitally signed PDF. The library that I'm using in order to handle the PDFs is an open source one, so I'm programmatically editing the PDFs. The first PDF I produce, PDF1 (the PDF with one signature), has a valid digital signature. The second PDF I produce, PDF2 (the PDF with the two signatures), has the second signature marked as valid, but the first one as invalid with the following error:
Error during signature verification.
Unexpected byte range values defining scope of signed data.
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PDF1: https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0BzrgexS80Iq_ZDQ3MTk1ZmI tNWI4NS00YzdhLTkxNmUtODk1NjVmY2M2NTVh&hl=en_US
PDF2: https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0BzrgexS80Iq_ZGM1YmZhMWE tY2JiYi00YzZkLWE5ZjItNzgwM2RlNzExYWE1&hl=en_US
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Hi,
I'm not sure if this helps, but I found something unusual with your PDF2. Just at the beginning of the second incremental update (with the new signature), the first object is added without a carriage return. This make the last line of the previous update looks like this:
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Hi,
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But in this case don't resolve nothing.
Any help?
Thank You!

Hi,
I created a XDP document with LiveCycle Designer ES2.
This document contains:
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- A Subform that user can add more instance pressing a button, contains some fields
- A Digital Signature (With a simple fields collection contains only the signature field)
I render the XDP for get a PDF (using ReaderExtensions component) by LiveCycle Workbench ES3.
Then I open the PDF with Adobe Reader X.
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Sign the document and the signature is valid.
Now, instead, if I make the same but increase the instance of Subform, then sign, the signature is invalid...
Can the problem is the different versions of Designer and Workbench?
In past I got some problems, and sometime I resolved creating a new document and copying all the object of old form in new one... It's an ugly solution but it worked.
But in this case don't resolve nothing.
Any help?
Thank You!

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Digital Signature getting invalidated

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