Known Issue: Connection between RTO Watch and CIM-IO fails in Aspen OnLine V12.1 (DEFECT 600565)

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Last Updated: 14-May-2021
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Article ID: 000098533
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Applicable Versions
This issue exists in V12.1.

Problem Statement:
If RTO Watch is configured with Aspen OnLine, the CIM-IO connection will fail.

Solution:
Navigate to C:\Program Files (x86)\AspenTech\CIM-IO\io\Cimio_rto and open the file named cimio_rto.exe.config. Change the AspenOnLineVersionMinor string from 0 to 1, save the file, then restart CIM-IO.