I've packaged an install for Acrobat DC using the Creative Cloud Packager, everything installs correctly but during testing I noticed that every time I launch Acrobat DC or open a PDF a window will pop-up asking for Adobe Sign-In. This is kind of annoying and I haven't yet found a way to disable it.
It looks like this: 
I've tried the Acrobat Customization Wizard DC and don't see any options for disabling the sign-in screen. I've also tried a few registry entries.
I'm sure there has to be an MSI property I'm just not aware of.
51 Answer
I ultimately fixed the Adobe Sign In pop-up issue by creating a license file package with Adobe Creative Cloud Packager and applying that after installing the Acrobat DC package.
This doesn't seem necessary with the other Creative Cloud products from what I can see.
Create the license file package and save it to a location.
Then enter the key and build the package.
After installation of Acrobat DC, you can run the AdobeSerialization.exe program located inside the License File folder created earlier to properly license Acrobat Pro DC.
