This is the core of the process. Follow these steps when a block needs revision:
If you are seeing a notification or error message regarding "AutoCAD block host file updated," you are likely dealing with external references (Xrefs) or dynamic blocks that have changed in their source location. AutoCAD alerts you when a background file modifying your current drawing has been saved by another user or process. What Does This Message Mean? autocad block host file updated
Navigate to the source block file (use WHOHAS in a command prompt on the server). Ensure you have Write access. If the file is read-only, AutoCAD will show the message but fail to update. This is the core of the process
Please refresh your local reference to the host file. If you have any drawings open that reference the old version, close and reopen them after reloading the host file. What Does This Message Mean