Troubleshooting Checklist
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1. Open up the computer properties on the node to be used as the Server and as the Viewer. Verify that each
computer name of these nodes is less than 14 characters, and does not contain any special or reserved
characters such as “-“, “*”, “/”, etc. It is allowable to have underscore characters “_”. It is important to
validate that you have a valid node name otherwise the CIMPLICITY router may fail to start.
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2. Check the registration on the Server (Start> Programs> CIMPLICITY> HMI> Registration): The registration
must be either “Server Development” or “Server Runtime.” Check the registration on the Viewer: The
registration must be “Server Development,” “Server Runtime,” “Viewer Development,” or “Viewer Runtime.”
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NOTE: Viewer-Server communications will not work if either the Server or Viewer is unlicensed and running
in the 2-hour demo mode.
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3. Verify that the Version and the Service Pack running on the Server and the Viewer are the same. You can
check this via the CIMPLICITY workbench or CimView by going to “Help>About”.
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4. On the CIMPLICITY Server running the project, verify that the “Enable Project Broadcast” option is checked
on the “Options” tab in the Project Properties dialogue (Project>Properties… in the Workbench).?
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5. Verify the following options have been checked on the “Startup Options” tab in the Cimplicity Options
dialogue (Start>Programs>CIMPLICITY>HMI>CIMPLICITY Options), on both the Server and the Viewer.
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?? “Accept Connections” (default: Enabled)
?? “Allow uncompressed connections” (default: Enabled)
?? “Prefer compressed connections” (default: Enabled)
?? “Compression Value = 6” (default)
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These settings must be identical between the Server and Viewer or communication will not be established.
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NOTE: If the “Accept Connections” option is greyed out, the system does not have a valid base license or is
running in 2-hour demo mode.