An error occurred during the operation of DMS. Please let me know what to do. Shoko April 13, 2021 05:50 Updated Follow Question An error occurred during the operation of DMS. Please let me know what to do. Target Device AR10 AG10 Answer Please notify Support of the details of the operation. Related articles When should I update the firmware of the gateway? I failed to update the firmware and change the settings. Please tell me what to do. If replacing the gateway, is it necessary to reconfigure VMS? (Final confirmation of the related pages in the Startup Guide) Please let me know the user name and password for connecting to the NX Witness server. What should I do if I make a mistake in selecting the hardware to be bound to the device? Comments 0 comments Please sign in to leave a comment.