Tech Notes

Tech Note: 142

License Server Core Service goes into a STOPPING state and machine must be rebooted in order to recover

The AVEVA Enterprise License Server repeatedly goes into a "Stopping" state. When this happens, a reboot is required to restore it to Running. The following message appears in the OCMC logs:

LS Agent can't use the ServiceController API to control the LS. Time out has expired and the operation has not been completed. Stack Trace: at System.ServiceProcess.ServiceController.WaitForStatus(ServiceControllerStatus desiredStatus, TimeSpan timeout) at LicServer.WindowsService.TrackSELicServer.MonitorLicServer()

This tech note will explain how to regenerate the license server trusted storage files to resolve the issue.

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Tech Note: 141

Relative References Stop Working in Industrial Graphics

Industrial Graphics that have been added to Application Objects are not displaying values for attributes when the values to be displayed are relative references like me.attribute. However, the direct references like objectname.attribute work.

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Tech Note: 140

Web_Browser and Carousel Widget Shows Red “X” Error

AVEVA InTouch HMI, AVEVA System Platform & OMI

It is possible to encounter an issue with all the default widgets on the server like Web_Browser and Carousel. When loading the Web_Browser widget, only an IP address is shown. When loading an instance of the Web_Browser widget separately on a different test InTouchViewApp, it loads a RedX with an "Empty" text displayed. Same red X is shown on the Carousel widget.

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Tech Note: 139

Historical Log files (.LGH and .IDX) are much larger in InTouch 2023 and InTouch 2023 R2

AVEVA InTouch HMI

When looking the files sizes of the InTouch Historical Log (.LGH and .IDX) files, they are noticeably larger for the 2023 and 2023 R2 version compared the previous versions.

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Tech Note: 138

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

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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Tech Note: 137

Encrypted SuiteLink Connection Cannot be Established

AVEVA Communication Drivers, AVEVA Historian, AVEVA InTouch HMI, AVEVA System Platform & OMI

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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Tech Note: 136

Migration of Galaxy to System Platform 2023 Never Completes

AVEVA System Platform & OMI

When migrating a Galaxy from an older version to System Platform 2023, the process hangs without any errors or warning and never completes.

By default, the migration process handles 500 templates at the same time from the original Galaxy. If there are more than 500 templates, this may exceed the 3.5 GB that aaGR process can handle, causing a crash as we see in the Log Viewer.

This tech note provides the steps to change the default MaxTemplateCacheSize from 500 templates to 10 to make sure the 3.5 GB limit is not violated.

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Tech Note: 135

Slow Performance in IDE when Opening or Checking In Objects

AVEVA System Platform & OMI

It is possible that you may experience slow performance in the System Platform IDE when opening or checking in objects. There could be various reasons why the performance within the IDE could be slow, including compatibility issues with newer version of Microsoft SQL Server.

This tech note provides steps to address the issue from the database setting perspective.

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Tech Note: 134

Error: Could not load file (0x7e) C:\HardDisk\Drv\.DLL on Embedded View

AVEVA Edge HMI

When working on an embedded Edge viewer, you may encounter a message similar to the following:
"Could not load file (0x7e) C:\HardDisk\Drv\ABCIP.DLL" on embedded view"
The first step should be to verify that this file does actually exist in the specified location. If you've verified this, but the issue persists, this tech note will provide a resolution to this issue.

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Tech Note: 133

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

AVEVA InTouch HMI

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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