Opc error on events Forum Home › Forums › Communicating with Devices › OPC › Opc error on events This topic contains 1 reply, has 2 voices, and was last updated by Mikhail 1 year ago. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts December 11, 2017 at 8:30 am #2929 me.ashu291Participant Error connecting to OPC server: OPC AE server is unavailable or does not support event specification how to get over from this ? December 11, 2017 at 6:01 pm #2933 MikhailModerator When this error occurs? Are you sure that the OPC server supports OPC AE? Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.