When you run the stored procedure sp_xml_preparedocument in SQL Server 2016, 2017 or 2019, you may receive an error message because MSXMLSQL component tries to access virtual address space beyond 8 TB limit.
"XML document could not be created because server memory is low."
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This issue is fixed in the following cumulative updates for SQL Server:
About cumulative updates for SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server: