ARMA 2: CO (how to combine ARMA 2 into ARMA 2:OA and use together)

**Dwarden** · Jun 29 2010, 18:38

This whole post and thread is deprecated since ARMA 2: OA 1.60 release (automatic detection of A2 install
(A2 needs to be started once incase of STEAM/Desura)
it still can be used as workaround in case of some issues ...

Spoiler:

**Ebolax** · Jun 29 2010, 19:19

If this isn't the right place to put this question sorry, but to clarify for steam users, you mean that future downloads will include that file? So if we already did download and have two separate folders via steam, we can use this? Thank you.

**Dwarden** · Jun 29 2010, 19:26

Originally Posted by Ebolax

If this isn't the right place to put this question sorry, but to clarify for steam users, you mean that future downloads will include that file? So if we already did download and have two separate folders via steam, we can use this? Thank you.

yes , it's just matter of time this will be included

---------- Post added at 21:26 ---------- Previous post was at 21:25 ----------

Originally Posted by Onchas

This did not work.

First time I tried it I ran OA (I'd already run Arma2 a few hundred times), I exited, put the file into the main OA directory (where the exe is), and I ran OA, OA started just fine but no access to ARMA2. I tried to run ARMA2, no access to OA.

I re-downloaded the file and re-extracted it to the OA directory. I ran arma2, then I ran OA, still separate and then I ran arma2 again.

Dwarden, I really do appreciate the time you take to put material up for people, but could you please try to be more detailed in your instructions. For example, you weren't even clear if we should be trying to run the combined game from OA or Arma2.

I've noticed this several times on these forums and on the Steam forums over the past year that I've been a BIS customer, you seem to leave out information and don't provide complete instructions when you provide technical support.

I have no idea if the file doesn't work or if there was something to the installation process that I messed up. More step-by-step information on how to do this would make life much, much easier; likely for you as well.

can you look into registry if the paths are available ?

HKLM\SOFTWARE\Bohemia Interactive Studio\ArmA 2
key MAIN
should have path to ARMA 2

HKLM\SOFTWARE\Bohemia Interactive Studio\ArmA 2 OA
key MAIN
should have path to ARMA 2 OA

if this is missing, something was wrong with instalation

**Onchas** · Jun 29 2010, 19:58

Originally Posted by Dwarden

can you look into registry if the paths are available ?

HKLM\SOFTWARE\Bohemia Interactive Studio\ArmA 2
key MAIN
should have path to ARMA 2

HKLM\SOFTWARE\Bohemia Interactive Studio\ArmA 2 OA
key MAIN
should have path to ARMA 2 OA

if this is missing, something was wrong with instalation

They're there under the HKEY_local_machine/software/wow6432node, but there's no registry information for BIS/Arma2 software under HKEY_local_machine/software/. (I'm using Win7, x64)

I tried editing my Registry via export/import of the key (changing the route). I could open OA with just the /hkey_local_machine/Software/Bohemia Interactive Studio registry (but only with access to the OA product), but ArmA2 gave me a "bad serial key" error on start up. I re-imported the previous (default) registry information (so it's back in the wow64 registry sub-directory) and both ArmA2 and OA start up just fine but I do not have access to the combined product.

I'm going to stop pressing my luck with editing my registry and I'll let you guys sort this out. But, for me, one of the things that attracted me to buying OA was that I could combine the available equipment in both the Arma2 maps and the OA maps. This is a critical feature for me, so I really look forward to your sorting this out.

**Nev1571** · Jun 29 2010, 19:24

This doesn't work for me. I just downloaded both arma2 and the expansion on steam, and I started them both at least once.

"ERROR: The system was unable to find the specified registry key or value." x2

**Simon1279** · Jun 30 2010, 09:03

Originally Posted by Nev1571

This doesn't work for me. I just downloaded both arma2 and the expansion on steam, and I started them both at least once.

"ERROR: The system was unable to find the specified registry key or value." x2

This is one of the reasons 'cause i hate steam, it gifts just problems, issues, and much more, my personal opinion : don't buy new games on Steam if you can it's really a bad platform, and the steam support almost doesn't exist
Puah Steam

**Trracer** · Jun 30 2010, 09:14

Originally Posted by Seanmacleod

This is one of the reasons 'cause i hate steam, it gifts just problems, issues, and much more, my personal opinion : don't buy new games on Steam if you can it's really a bad platform, and the steam support almost doesn't exist
Puah Steam

I consider myself an advanced computer user (I'm in my mid 30's and computers is my profession since the mid 90's) and I find that Steam so far has worked very well for me. The few little problems I've had is something I have managed to solve myself. So it's a matter of opinion I suppose.

**Safari Ken** · Jun 30 2010, 17:18

Originally Posted by Trracer

I consider myself an advanced computer user (I'm in my mid 30's and computers is my profession since the mid 90's) and I find that Steam so far has worked very well for me. The few little problems I've had is something I have managed to solve myself. So it's a matter of opinion I suppose.

I agree. I love Steam. I'd buy all my games through it if I could. In fact, I've re-purchased some games that I already owned, just to have them on Steam! When it first got introduced as a distribution method for Half-Life 2, it definitely had issues, but I don't remember the last time I had a problem more serious than "Oh shoot, it lost connection to the Friends server for 20 seconds".

The fact that you don't need to swap physical media, the fact that you no longer have to be online to play the Steam-bought games, the fact that I can reinstall games I bought years ago just by remembering my Steam password, on as many computers as I want, etc. Great, great service. I don't consider this specific problem to be a Steam issue. What we're doing here (combining two installs) is hardly a common thing in gaming.

---------- Post added at 10:18 AM ---------- Previous post was at 10:16 AM ----------

Originally Posted by Hoot(US)

Ok i downloaded the file put it in the directory with ArmA2OA.exe

but when i run the command script a window pops up for like half a second then closes. opened arrowhead. only arrowhead, opened arma2 same thing, only arma2. did i miss something obvious or is something else wrong.

both were purchased through steam, both have been played.

Running XP

You shouldn't have to open Arrowhead or Arma 2 after running that command script. The window pops open and closes, and a few seconds later, OA should boot automatically. I noticed that it took longer than I would have thought, so maybe you just need to give it a few more seconds.

**papoose244** · Jun 30 2010, 17:26

Hi guys I have the dvd version of OA coming I just reformated whats the order for installing arma 2 OA and patches?

**Hoot(US)** · Jun 30 2010, 17:30

Originally Posted by Safari Ken

You shouldn't have to open Arrowhead or Arma 2 after running that command script. The window pops open and closes, and a few seconds later, OA should boot automatically. I noticed that it took longer than I would have thought, so maybe you just need to give it a few more seconds.

I opened the the console file, the console stayed open for literally .5 of a second closed its self, then nothing. nothing opened, after a while i booted up both to find them not combined.

sorry if i wasn't clear

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