You will see an error that says “Duplicate Mods” with the mod name listed underneath it.
You can detect a duplicate mod from console pretty easily. All you need to do to resolve this is type /fml confirm in console. Most of the time in console, you will see Missing Mod Id’s errors. This happens a lot especially when you remove or add mods. Many times when modifying the server, the server will need to be confirmed before it will fully start. Most commonly this is caused by a duplicate mod, missing dependency mods, or incorrect mod versions. The server crashing during the startup process can be common on Forge servers if they are not setup correctly. We have a tutorial on uploading a custom version of Forge here.
Where to mods install#
If this is the case, you will need to install the correct version of Forge for your mod manually. The mods you have uploaded to the server may not always be compatible with the Forge version we have available from our jar selector. Once the server is fully started, you are safe to connect.
Where to mods how to#
How to Install Mods on a Minecraft Server
In order to run mods on your client, you will need to install Forge client side. This also applies if you are adding additional mods to an already created modpack. When running a modded server, do not forget that you need to have the mods downloaded on your Minecraft client. Mods can be added with just a few steps and we will walk you through each of them so you can build your dream server. Whether you are adding them to an existing modpack or to your current Forge setup, adding mods is a great way to open up new possibilities. Why not start exploring into customizing your server further? A great way to customize your server is by adding mods. If you have been playing Vanilla Minecraft, or using a premade modpack, it is likely that you have already explored all there is to do.