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Kepware Knowledge Base: Solution

Received Error Message Failed to clear dual port memory

Last Update: 11/12/2018

While using a PKTX or PKTX-D Card with Kepware's Allen-Bradley DH+ Driver, the error "Failed to clear dual port memory" is posted to the KEPServerEX Event Log.

Possible Cause:
This error may occur due to a conflict between KEPServerEX and RSLinx.

Ensure that RSLinx is not installed.