A clear reason for the Rainbow Six Siege X "network connection" error remains unknown due to a lack of acknowledgment from official sources. However, the error is ...

As fast as Arrowhead is blasting bugs, more are spawning to replace them, and one common issue players are running into is the 'failed to establish network connection ...

While there's no official confirmation for the cause of the Delta Force network connection error, players speculate that it might potentially be a client-side error ...