>>>
>>>Thanks antonio, This seems to fit to what we need. One question left: Can you distribute it to clients ? Any specific install needed or can you just execute it as a exe file ?
>>
>>Walter, to distribute the server to clients you need to purchase a Server license, unless your application is GPLicensed. Your clients may eventually purchase their own copies of the Toolkit Pro which includes a server, but you're not allowed to distribute it without a license.
>>
>>An installer is normally required, but I don't know if it can be replaced by a simpler deployment of the exe + dll.
>
>Hmmmm, that is a bit of a complication. We do have a client install for our product, but since we are talking about thousands of workstations at over a 100 clients, this is getting a bit of a setback.

Just tried with a direct copy of the executable plus companion dll in a virtual machine, no installer involved, and the server is able to password-protect a PDF as normal. At least you have this hint, but for that amount of installations you'd better double-check with PDFLabs.