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Kepware Knowledge Base: Solution

KEPServerEX 5.4.131 Upgrade Issue Affecting DCOM

Last Update: 11/12/2018

There is a known issue with KEPServerEX version 5.4.131, where upgrading the product results in the loss of custom DCOM configuration settings. Kepware recommends installing KEPServerEX version 5.4.135 to fix this upgrade issue for future releases. Users should note the custom DCOM configuration settings before installing KEPServerEX version 5.4.135 because they will be lost during the installation.