Adobe Reader Extensions no longer working in Acrobat Pro

[meem23]

I use Adobe LiveCycle Designer ES4 to design forms.  I add reader extensions to the pdf using Adobe Acrobrat Pro:  File > Save as Other > Reader Extended PDF > Enable More Tools (includes form fill-in & save)…  I've been doing this for years and now all of a sudden it is no longer working.  I'm getting this message.  Any ideas why.  My IT can't figure it out.

[Bernd Alheit]

What version of Adobe Acrobat does you use? 

[meem23]

Hi,  Acrobat Pro

[Bernd Alheit]

Install the updates. 

[try67 · Accepted solution]

Correct, they expired. See: https://helpx.adobe.com/acrobat/kb/reader-extended-pdfs-and-adobe-root-ca-expiry.html

You have to re-apply them using the latest version of Acrobat, although in most cases they are not really needed any longer (not sure if that also applies to LCD forms, though).

[meem23]

Thanks for the responses.  I will relay this information to appropriate parties.