Insight Discovery scans failed with "Method not found" exceptions
Summary
Insight Discovery scans failed as many patterns could not be executed due to unmet system requirements
Environment
Insight Discovery Tool
Diagnosis
Exception below can be found in the Discovery scan log file in the logs folder
14/09/2021 23:23:51 : Using pattern: Windows_Hostinfo_Hostname_Model.pat (v4.0.0)
14/09/2021 23:23:51 : Error executing Pattern: Insight.Discovery.InfoClasses.ScanPattern
14/09/2021 23:23:51 : Exceptions:
14/09/2021 23:23:51 : Method not found: 'System.__Canon[] System.Array.Empty()'.
at Insight.Discovery.ProviderClasses.AssemblyProvider.Invoke[T](String script, Object[] inputParams, Boolean& executeOk)
at Insight.Discovery.ProviderClasses.AssetProviders.ProviderImplementation.WindowsHostProvider.GetGenericPatternInfo[TResult](ScanPatternType patternType, TResult result, ScanPattern pattern) in C:\SourceCode\discovery_repo\ProviderClasses\AssetProviders\ProviderImplementation\WindowsHostProvider.cs:line 233
...Cause
Some patterns failed to be executed due to one or more system requirements having not been met.
Solution
Ensure the system requirements are met. For example, Microsoft .Net Framework 4.7.2 or later must be installed on the supported version of Windows.
Other Notes
Last modified on Jan 6, 2022
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