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PA_88327834-Participant
4-Participant
November 24, 2025
Solved

KepServerEx OPC DA Client get bad data from OPC DA Server while Quick Client get good data.

  • November 24, 2025
  • 2 replies
  • 260 views

The KepServerEx is configured as OPC DA Client to connect the OPC DA Server on another machine. It get callback failure and bad data. While using OPC Quick Client connected the OPC DA Server to get data directly. It get good data. Two servers are on the same domain but running with different Log On account.

Best answer by rajskumar

Hello,

Please take a look at the following article as it may help resolve your issue:

CS436561 - Quick Client connects to the remote DA Server and shows good quality tags, but OPC DA Client driver is unable to connect to the remote DA Server in PTC Kepware Products

If you are prompted to log in to view the complete article, you can use your MyKepware login credentials. Thanks 

2 replies

R
rajskumar16-PearlAnswer
16-Pearl
November 24, 2025

Hello,

Please take a look at the following article as it may help resolve your issue:

CS436561 - Quick Client connects to the remote DA Server and shows good quality tags, but OPC DA Client driver is unable to connect to the remote DA Server in PTC Kepware Products

If you are prompted to log in to view the complete article, you can use your MyKepware login credentials. Thanks 

    V
    vnamboodheriCommunity Manager
    Community Manager
    December 1, 2025

    Hello @PA_8832783,

     

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    Vivek N.
    Community Moderation Team.

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