Article - CS42055
"Worker Agent Administration" page is unable to list the configured workers and displays the error: "Cad Agent Returned Error: Failed to send message to CadAgent"
Modified: 20-Oct-2025
Applies To
- Windchill PDMLink 6.2 to 13.1
- Windchill Visualization Services (WVS)
Description
- The Worker Agent Administration page (formerly the CAD Agent Administrator page) is unable to list the configured workers
- Error message reported is :
Cad Agent Returned Error: Failed to send message to CadAgent- Clicking on the Worker Agent Administration > Configure link also returns the same error
- Message in Method Server log:
ERROR : wt.wvs.workeragent.CadProxy wcadmin - Unexpected exception java.net.ConnectException: Connection refused: connect at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
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