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Kepware Knowledge Base: Solution

Access Denied Starting This Command C:\Windows\System32\OpcEnum.exe (Embedding)

Last Update: 11/7/2018

This indicates that the "opcenum.exe" file is not running as a service. For information on setting "opcenum.exe" to run as a service, refer to the instructions below.

  1. To start, navigate to Windows System 32 and then run it as a service.
  2. In the Service Control Manager, configure "opcenum.exe" to start automatically.
Related Products
OPC DA Client

Related Protocols
OPC Data Access (DA)