After you install the November 12 security update for Microsoft Exchange Server 2019 and 2016, when you try to export eDiscovery search results to a PST file, the export fails, and you receive the following error message:
Export failed with error type: 'FailedToLoadStatus'Details: Could not load file or assembly 'Microsoft.Exchange.Diagnostics, Version=15.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.