Honeywell Vertex M User Manual page 253

3. Make sure DCOM user is added to the DCOM service.
a. Open DCOM configuration, click Windows Start and enter lusrmgr.msc to run as an
Administrator.
b. In Local User and Groups panel, select Group folder, then right click Distributed COM
Users to select Properties from popup menu.
c. Select the Add button to enter the user Honeywell Analytics in the Select Users dialog,
then select OK button when done.
Note: with each new security update from Microsoft for DCOM, some DCOM configuration
adjustments may be necessary for OPC DA Classical to work. In addition, DCOM is a deprecated
technology and may not be available in update or future version to Windows. To continue OPC
usage, it is highly recommended that OPC DA is implemented using tunneling or migrate to the
new and secure OPC UA technology.
Vertex M 253 User Manual