The following items are notable issues fixed between the release of SystemLink 2021 R1 and SystemLink 2021 R2, including additional patches and service packs.

1411798LabVIEW RT targets show "partially connected" status in Systems Grid due to failing http requests from the client when using self-signed certificates
The NI Web Server Configuration Utility is adding ipv6 addresses to the SAN of the certificate. This is causing http requests coming from the client to fail because of a known bug in urllib3: Connection fails via https when certificate contains IPv6 address in SAN · Issue #1269 · urllib3/urllib3 (github.com)
This breaks the RT target's ability to connect and publish data when using self-signed certificates because NI LinuxRT uses a version of urllib3 that does not contain the above fix.
Workaround:To resolve the issue, navigate to the NI Web Server Configuration Utility and complete the following steps:
1. Navigate to the HTTPS tab
2. In the HTTPS settings section, expand the "Generate a new certificate" section
3. Find the entry containing "::1" and hit the "Remove" button
4. Click the "Generate and install" button and follow the remaining steps in the utility to generate a new certificate

1420676Custom NoSqlDatabase connection string does not allow lower case URL encoding
Setting a custom connection string in the NoSqlDatabase configuration requires any special characters to be URL encoded. Using lower case characters within the URL encoding will cause the string to be incorrectly regarded as invalid.
Workaround:Use only upper case characters within the URL encoding. For example, %3d will be considered invalid, but %3D will work correctly.

1516370DIAdem cannot connect to DataFinder if "Enable AMQP client access (less secure)" is disabled in SystemLink Server Configuration
Workaround:Install the 4.7 .NET Framework on the SystemLink server.

1516963Canceling a report or notebook execution causes the worker to stop functioning
Canceling a notebook execution from the Test Insights Report view causes the worker process to throw an exception, and it can no longer be used. There are 4 notebook execution workers by default, so if this happens multiple times, you will no longer be able to execute any notebooks or reports. In addition, reports in dashboards will no longer be updated.
Workaround:Rebooting the server will restart the notebook execution workers and allow everything to work temporarily.

NI SystemLinkis systems and data management server software that helps your team save hours setting up and managing test systems and searching for data needed for analysis. With a centralized web-based management interface for connected devices, software, and data, your team can update test system software, view system health information, and search for data with a few button clicks. With test and measurement data at their fingertips, teams can analyze even more findings to gain better insights and make effective decisions faster. SystemLink provides out-of-the-box support for NI products like LabVIEW, TestStand, PXI, and CompactRIO along with an open architecture for incorporating a wide range of third-party software and instrumentation.

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Product:NI SystemLink
Version:2021 R2
Supported Architectures:32bit / 64bit
Website Home Page :

www.ni.com

Languages Supported:multilanguage
System Requirements:PC *
Size:2.2 Gb