How to troubleshoot conflicting add-ons

When using add-ons in Microsoft Flight Simulator, conflicts can sometimes occur, leading to issues like bumps or uneven terrain at airports, double taxiway lines, or duplicated buildings. To resolve these conflicts, follow the steps outlined below.


Clear SceneryIndexes Cache

Clearing scenery indexes can resolve this type of conflict, therefore it should be tried first as it is relatively easy to do. The simulator will re-build the indexes automatically during the next start.

  1. Navigate to the MSFS installation directory.
    • Microsoft Store Version: C:\Users\YourUsername\AppData\Local\Packages\Microsoft.FlightSimulator_8wekyb3d8bbwe\LocalCache
    • Steam Version: C:\Users\YourUsername\AppData\Roaming\Microsoft Flight Simulator
    • Retail Disc Version: C:\Users\YourUsername\AppData\Local\MSFSPackages
  2. Open the "SceneryIndexes" folder and delete all files.
  3. Start Microsoft Flight Simulator and check if the conflict is resolved. If not, continue with step 2.

Define highest priority for your add-on

Using MSFS Package re-order tool, you can move the add-on you are having issues with to the highest priority. This might solve the conflicts with other add-ons, which are potentially causing terrain issues, overlapping buildings etc.

  1. Open your MSFS options menu and navigate to "General Options > Experimental"
  2. Look for the option called "Package Reorder Tool" and set it to "On"
  3. In the new window, locate the add-on your are having issues with. Click on the arrow next to it, which will move it all the way to the bottom of the list.
  4. Start a new flight at the airport to check if the issue has been resolved. If not, please proceed with step 2 below.

Isolate the conflicting add-on

  1. Navigate to the 'Community' folder in your MSFS installation directory.
    • Microsoft Store Version: C:\Users\YourUsername\AppData\Local\Packages\Microsoft.FlightSimulator_8wekyb3d8bbwe\LocalCache\Packages\Community
    • Steam Version: C:\Users\YourUsername\AppData\Roaming\Microsoft Flight Simulator\Packages\Community
    • Retail Disc Version: C:\Users\YourUsername\AppData\Local\MSFSPackages\Packages\Community
  2. Move all add-ons except the one suspected of causing the conflict to a temporary folder. Tip: You can also use a free tool such as MSFS Addons Linker to easily manage your add-ons. You can move add-ons to other drives, de-activate individual add-ons or groups of add-ons.
  3. Start Microsoft Flight Simulator and check if the conflict is resolved. This step helps to determine if the issue is with the specific add-on or a combination of add-ons.

Identify the conflicting add-on combination

  1. With the simulator closed, move one add-on back into the 'Community' folder from the temporary folder.
  2. Restart Microsoft Flight Simulator and check for the conflict.
  3. Repeat this process, adding one add-on at a time and restarting the simulator, to identify which combination of add-ons causes the conflict.
  4. Once the conflicting add-on is identified, you can choose to remove it or check for an updated version that might resolve the conflict.

Additional troubleshooting tips

  1. Ensure that all add-ons are updated to their latest versions, as updates often fix known conflicts.
  2. Check online forums or the add-on creators' websites for any known issues and recommended solutions.
  3. If conflicts persist, consider reaching out to the add-on creators for support or advice.

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