I never played or used the Multiplayer Option for Panzer Corps.
But now my bud and Multiplayer Extraordinaire goose challenged me and wants to show me the In's and Out's of this Feature.
So I tried to get into a Multiplayer Game for the First Time
Maybe I'm a bit slow to pick up the Trick but I can not get into a Multiplayer Game at all
Just a few general Infos
I use Windows 7 Enterprise 64bit on a Core I3 4330T Cpu Machine with just the Cpu internal Grafx Solution, 6 MB Ran and a 500 GB Samsung SSD. Have also attached a Docking Station with USB 3.0 and have a 8TB HD for storage purposes of all kinds of Files docked in. But it is neither permanently used nor are there any Games or other Software installed on the HD. Its just a big Data Storage device for all my Computers
I'm not playing on Steam and bought all Panzer Corps Games via this website in the Online Shop
I have installed Patch 1.30 play in German Language Option and have the following Campaigns installed
Panzer Corps
Afrika Korps
Allied Corps
Soviet Corps
GC East and West
Operation Sealion
US Corps GC
When I try to get into the Multiplayer Option the Game tells me that it tries to connect for some time and then gives me the Message "Serial Number does not exist" (in German Language)

I don't think its a good idea to post my serial numbers here

I have copied all my Serials into the Install Window directly from the mail if that changes something for the Process. Thought that was a good idea as typos can not happen this way.
Another Strange Issue I experienced at least for my Install on this PC (have the Game also installed on a few older Machines, but not tried that)
I get the same Message "Serial Number does not exist" for Panzer Corps, Afrika Korps, Soviet Corps when I start the Game with the according Icons the Game left on my Desktop.
But not for Allied Corps. Then I get a different message "Can not connect to Server"
Update here This is only true for the First Time I tried to access MP via the Allied Corps Icon.
By the Second Time it also says "Serialnumber does not exist"
I asked my bud goose who is an experienced Multiplayer what I am doing wrong, but since he is a Steam Player had not much advice to give to me. So nice and always the supportive Guy he is he asked Alberto for some Fix to the Problem and Alberto said it is best I post the whole Problem here in the Tech Support Forum to get a Solution
Hope I left enough Information for the Support Crew already, but of course will give you more if needed and if necessary can send you links or screenshots from all Purchase Mails and my Serials if needed.
Thanks a lot for your Help in advance Guys