Windows 7 - 0x80240040 WU_E_NO_SERVER_CORE_SUPPORT WUA API method does not run on Server Core installation.

This article lists the error codes for Microsoft Windows Update. You can use these error codes to verify information from the Windows Update log file. The log file is typically located in the following folder:

%systemroot%\windowsupdate.log

Error codes that the Component Based Servicing (CBS) interface methods return

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