Tech Notes

InTouch Web Client: HTTP Error 503 – The Service is Unavailable

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AVEVA InTouch HMI

When launching the InTouch Web Client, it is possible to encounter the following error in your default web browser:

HTTP Error 503: The service is unavailable

This tech note provides steps to resolve the error

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Encrypted SuiteLink Connection Cannot be Established

Cross-node encrypted SuiteLink requires both nodes to be joined to the same System Management Server (SMS) server. In some cases, even if SMS is properly configured, a system may encounter the following error and the encrypted SuiteLink connection will fail, even though a Troubleshooting Scan within the AVEVA Common Service Portal may return without errors.

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Popup Window Does not Appear when Clicking “Select” in Tagname Dictionary

When working in the Tagname Dictionary in an InTouch HMI application, clicking the Select button should cause the Tag Browser popup window to appear, allowing the user to browse the existing tags in the application.

Under certain conditions, the popup window will not appear after clicking Select and the WindowMaker application will freeze up, forcing the user to shut down the application.

This issue is caused when WindowMaker attempts to open the Tag Browser on a second monitor when no second monitor is present. This tech note will provide the steps to resolve the issue.

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Resolving Multiple APPCRASH Events in Windows Event Viewer Logs from System Platform

This Tech Note details the procedure to identify and clear APPCRASH events that appear in the Windows Event Viewer for System Platform components.

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Orange Icon Won’t Go Away After Deploying InTouchView App

During deployment of an InTouchView app, it is normal behavior for an orange icon to appear over the InTouchView app instance which indicates that the files and folders are still being copied over to the remote machine.

You may experience an issue where this orange icon does not clear up on its own.

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Automatically Launching an InTouch Application on Startup using a Batch File

Each time an operator needs to view their Intouch application at runtime, they must manually run the InTouch WindowViewer application. This technote will discuss how to use a batch file to automatically run the application each time Windows is restarted. There is an optional step in which you may delay opening your Intouch application, to allow time for other applications to run first.

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Resolving Missing Industrial Graphics Issue in Managed InTouch Application

With managed InTouch applications, it is possible to encounter a situation where all of the industrial graphics used in the application appear as red “X”s with the error “Graphic Not Available” even though the graphics exist in the Graphic Toolbox. This tech note will provide two methods to resolve this issue.

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