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Acrobat Pro DC AND Acrobat Reader DC : When I choose 'Certificates' and attempt to digitally sign a pdf with my Trusted digital signature, ALL of the options are greyed out, and I cannot 'Digitally Sign' or 'Time Stamp' or 'Validate All Signatures' or 'Certify (Visible Signature)'. I can open a pdf from three years ago, and the options are available on that document only. If I keep that pdf open, I still cannot digitally sign the new document. The pdf is saved as 'enable reader' option. The certificate is Trusted. I have looked at Every Option in Options, Preferences, etc. etc. and etc. No Joy. Reader DC: 2018.011.20036. Acrobat Pro: 2018.011.20035. Windows 7 Enterprise. My IT is baffled. I am not the only one with this problem at my large institution, or across the world, it seems.
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Samsies.
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Hi Radjcw5,
As per the issue description mentioned above, you are unable to sign a pdf using certificates signatures in Acrobat and Reader, is that correct?
Could you try rebooting the machine once if you haven't already and try again?
Also, try updating Reader/ Acrobat to the latest patch, rebooting the machine and check if that helps.
Have you tried signing another pdf file to check if the issue is not specific to this form only?
Let us know if you need any help.
Shivam
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I am having exactly the same issues as discussed in this thread. I have tried reinstalling DC, rebooting, clearing cache, nothing seems to be working. Up until a few months back, I was able to perform these actions. My account is also current. Hope someone can help in resolving.
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It seems that my original cert had expired. I was able to resolve the issue by creating a new one. It would help if a notification is shown when the cert has expired.
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