Please check that no outage/degradation/maintenance is going on via the official For Honor forums HERE or the support website HERE.
If the error occurs outside of an outage, a degradation, or a maintenance, please restart your console or PC.
After restarting your console or PC, you may find the information in the following FAQs useful:
NAT TYPE INFO IN FOR HONOR
XBOX ONE CONNECTION ISSUES
PLAYSTATION 4 CONNECTION ISSUES
PC CONNECTION ISSUES
PERFORMANCE ISSUES IN FOR HONOR (PC)
If you are looking for more information on error codes in For Honor, please check our LIST OF ERROR CODES.
If you continue to get this error code when attempting to connect to Multiplayer, please contact us HERE.
If you continue to get this error code when being disconnected from Multiplayer, please contact us HERE.