Today I tried to open a database link (.mdb) in a pdf file, and I received this error message:
This has never happened before, so I began my research. I found out it was a security feature added by Adobe that would disallow users from opening internet links, eliminating the risk of acquiring a virus through embedded hyperlinks.
The only way I found to turn this feature off was to edit the policy settings in the registry.
I went to - HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Adobe\Acrobat Reader\DC\FeatureLockDown\cDefaultLaunchAttachmentPerms
I navigated to tBuiltInPermList and found the .mdb extension, changing the 3, to a 2.
Changing the 3 to a 2 allows .mdb files to be opened in Reader after prompting the user to make sure they really want to open the file.
Is there another way around this that anyone else has found? I find it odd that Adobe would blame system admins for this issue, when its totally not.