That's correct. Reader Extension is required to enable the barcode capability.-Wasil

Can you explain a bit more ?

Reader Extension is actually a Adobe LiveCycle Server module, it is not LiveCycle Designer plugin. For using that you have to install the LiveCycle ES4 Server with Reader Extension module.You could also check this feature of Acrobat : http://help.adobe.com/en_US/acrobat/X/pro/using/WS58a04a822e3e501...

You should use JDBC blob type.-Wasil

Going through your notes, it looks like it would be OK (since it's only PDFG and RE), if you just create an empty database and use the Configuration Manager to create\update the appropriate table. Also, it is safe to re-run the Configuration Manager in order to point LiveCycle at a different databa...

You can modify the XDC file. This should help : http://help.adobe.com/en_US/livecycle/11.0/WorkbenchHelp/WSb96e41f8a4ca47a9-78863e98130b64eeef8-8000.2.html-Wasil

Forms designed in LiveCycle Designer ES3 are XFA based forms. They cannot be opened on mobile devices.LiveCycle ES4 introduced Mobile Forms module which can render the existing XFA form as HTML5. More info here : http://helpx.adobe.com/livecycle/topics/mobile-forms-dev.html-Wasil

Test your Form using IVS :Forms : http://blogs.adobe.com/LiveCycleHelp/2009/05/forms_ivs_a_formtastic_develop.htmlOutput : Output IVS – A Useful Output ES Development Tool Share the application server side error.-Wasil

User must have administrator privileges. Looks like some privileges are missing.-Wasil

Add PDF Generator user as mentioned here : http://help.adobe.com/en_US/livecycle/11.0/InstallWebSphere/WS1a95df6a070ac5e3-71ddef0d12fb663fdfc-7ff4.2.html#WS1a95df6a070ac5e3-71ddef0d12fb663fdfc-7ff0.2Restart the server.-Wasil