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Credential Selected Invalid

New Here ,
Oct 03, 2018

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I am using my CAC to digitally sign documents  on my MAC book pro all of a sudden they start popping up an error message stating "the credential selected for signing is invalid" which have have used in the past. I have restored the computer downloaded the new adobe and still not working please help.

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Security digital signatures and esignatures

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Credential Selected Invalid

New Here ,
Oct 03, 2018

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I am using my CAC to digitally sign documents  on my MAC book pro all of a sudden they start popping up an error message stating "the credential selected for signing is invalid" which have have used in the past. I have restored the computer downloaded the new adobe and still not working please help.

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Security digital signatures and esignatures

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Oct 03, 2018 0
Adobe Employee ,
Nov 20, 2018

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Hi jsory123,

As per the issue description mentioned above, you are getting Credential Selected Invalid error when trying to sign a pdf using CAC, is that correct?

Could you try updating the smart card driver as suggested in the following forum thread and check if that helps:

10.11.6 CAC signing not working with 11.0.17 Acrobat

Also, try the steps suggested in the following forum thread at post#3:

Re: Digital Signature on Adobe Acrobat Reader DC

Also, let us know the application you are using to sign the pdf - Adobe Reade or Adobe Acrobat

What is the dot version of the application and Mac OS you have on the machine?  To check the version in Acrobat: Identify the product and its version for Acrobat and Reader DC

Let us know if you need any help.

Shivam

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Nov 20, 2018 0
New Here ,
Oct 25, 2019

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Hello,

 

I'm having the same problem that user jsory123, but now with OSx 10.15 Catalina and with Adobe Acrobat Pro DC 2019.021.20049.

 

I just tried the links provided above, but it does not work.

 

Please, could you help me to solve this issue?

 

Thank you!

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Oct 25, 2019 0
Explorer ,
Dec 03, 2019

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Thanks Adorobat, but please note that this is a real Adobe Acrobat Pro DC bug. Error messages:

 

Adobe Acrobat Error encountered while signing

Error encountered while signing

The credential selected for signing is invalid

 

No problem with version 2019.021.20047 and older ones. The bug arose with version 2019.021.20048. Tested on macOS 10.12.6 (16G2128) Sierra.

 

There is a partial workaround: you can sign if you force quit Acrobat (Option Command esc) when the issue arises. Then,  the signed PDF shows saved in the selected Mac location. But there is a big drawback: when such PDF is opened, it shows "At least one signature is invalid" on the top-left corner.

 

This is blocking our productivity. Please, please, please, fix it. Thanks!

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Dec 03, 2019 0
Explorer ,
Dec 12, 2019

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Great news: fixed with Acrobat DC Pro (Continuous Track) 2019.021.20058. Well done!

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Dec 12, 2019 0
New Here ,
Dec 18, 2019

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I still have the same problem, and the problem occurs when using certificate in Keychain, but when i create a digital sign and save it as a file in the system, there is no issue. 

Coming to the use of certificate & key from the keychain, had tried, giving permission to all the keys, deleted all and recreated and its the same. 

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Dec 18, 2019 0
Explorer ,
Jun 12, 2020

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The problem has arisen again with Acrobat DC Pro (Continuous Track) 2020.009.20067 on macOS 10.12.6 (16G2136) Sierra.

 

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Jun 12, 2020 0
Explorer ,
Jun 13, 2020

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This is really frustrating. Uninstalling Acrobat with the Acrobat Uninstaller does not fix the issue. Even when installing then older Adobe Acrobat versions that worked before. Really, really shocking. THIS BREAKS OUR PRODUCTIVITY WORKFLOW!!!

 

Amazingly, installing Acrobat Reader 2020.009.20063 works with such certificate digital signature. But no Adobe Acrobat version works now as said, including newest one and older ones. Only the Reader works.

 

Please, please, please, fix this serious bug and please, please, please, make sure, test and double check that the certificate digital signature always works before releasing any new Acrobat version, upgrade, update or build, both optional and planned update. THIS SERIOUS BUG HAS ARISEN AGAIN AND YOU FIXED IT AS DESCRIBED ABOVE, BUT NOW HAS ARISEN AGAIN. Thanks!

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Jun 13, 2020 0
Explorer ,
Jul 28, 2020

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The problem remains with Acrobat DC Pro (Continuous Track) 2020.009.20074 on macOS 10.12.6 (16G2136) Sierra.

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Jul 28, 2020 0
Explorer ,
Aug 17, 2020

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The issue persists with Acrobat DC Pro (Continuous Track) 2020.012.20041 on macOS 10.12.6 (16G2136) Sierra.

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Aug 17, 2020 0
Explorer ,
Sep 26, 2020

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The issue persists with Acrobat DC Pro (Continuous Track) 2020.012.20043 on macOS 10.12.6 (16G2136) Sierra.

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Sep 26, 2020 0
Explorer ,
Sep 29, 2020

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The issue persists with Acrobat DC Pro (Continuous Track) 2020.012.20048 on macOS 10.12.6 (16G2136) Sierra.

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Sep 29, 2020 0
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Explorer ,
Nov 24, 2020

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The issue persists with Acrobat DC Pro (Continuous Track) 2021.013.20064 on macOS 10.12.6 (16G2136) Sierra.

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Nov 24, 2020 0