Running multiple instances of the Server
The Halo CE Dedicated Server supports multiple instances running on one computer. Obviously, each of these instances must be using a different network port and or IP number. The maximum number of instances that can be run on a server is 8.

When running multiple instances, each instance should use its own init.txt file and unless you desire it should have it's own path for GameTypes and log files.

Refer to the document: Dedicated Server Command Line arguments.

Here is an example on how to run multiple instances, assuming the Halo CE Dedicated Server is installed in the C:\HaloCE folder:

instance 1:
C:\HaloCE\haloceded.exe -exec C:\halopc\init1.txt -cpu 0 -path C:\haloCE\variants1 -port 2301

instance 2:
C:\HaloCE\haloceded.exe -exec C:\halopc\init2.txt -cpu 1 -path C:\haloCE\variants2 -port 2305

instance 3:
C:\HaloCE\haloceded.exe -exec C:\halopc\init3.txt -cpu 0 -path C:\haloCE\variants31 -port 2308

instance 4:
C:\HaloCE\haloceded.exe -exec C:\halopc\init4.txt -cpu 1 -path C:\haloCE\variants1 -port 2322