Troubleshooting
Having non-Zombie related problems? Given that this free mod is still highly experimental, its possible you could run into countless issues even if you follow our step-by-step guide faithfully. Here is an assortment of common fixes to cover off the dozens of errors we’ve read about online.
Steam Version
- Under the games tab Right Click the Arma 2: Operation Arrowhead entry, then select Properties. Navigate using the top tabs to “Verify Integrity of Game Cache” and let steam check the integrity of the game files. In general this is a great way to fix problems with just about any game you own on steam, so keep this tip handy if you run into problems with other titles.

- Find the Steam icon on your system tray and select Exit. Next find the launch icon on your Start Menu, Right Click, then select Run as Administrator. This fix has been known solve the pesky CD Key error that seems to be plaguing countless frustrated DayZ players, along with a myriad of other pop-up warnings.
- Make sure you are launching Arma 2: Combined Operations, and not Arma II: Operation Arrowhead.

Both Steam & Retail Versions
“'You cannot play/edit this mission, it is dependent on downloadable content that has been deleted.dayz_code, dayz_weapons, dayz_equip”.
99% of the time it’s because you missed one of the steps we listed above. Go give it another try, I’ll hold off the zombies until you get here.
“Waiting for Server Response” or “Waiting for Character To Create”.
Most of the time this means the servers are overloaded, however from time to time the BattlEye anti-cheat engine is the source of your woes. Download the latest version and reinstall. Keep in mind it also takes much longer to join servers with larger populations, so move to a smaller server if this continues to be an issue. Server administrators also need to regularly restart servers in order to help combat this issue, so it could be completely out of your control.
Looking For More Information on DayZ?
The DayZ Wiki is simply excellent, and will provide you with the answers to just about any question you might come up with on your journey. We included suggestions for the most common problems here, but it’s almost impossible to anticipate everything. Feel free to post issues you’ve seen in the comments below, or check out these great forums.
DayZMod (Official)
FPSGeneral
The forums are also a great place to make new friends, a commodity that is in short supply thanks to the Zombie apocalypse.