Doom Multiplayer Programs & Utilities
Most of these services require some knowledge and tweaking of your own system and internet connection, so don't be surprised if things don't work the first time around. Also, the pool of hardcore Doomers has diminished significantly since the "good ol' days" so you're not always guaranteed to find an opponent since most ports do not feature a quake-like servers with in-game joining... Exceptions are the client/server internet ports csDoom, Vavoom and JDoom listed below.
Do you have a windows error message saying that the file dplayx.dll not found,missing, damaged, lost, required ? There are plenty of different waysthat dplayx.dll errors can show up on your computer. Below are some common messages that you might see about dplayx.dll errors.