[Known Issue] Civil 3D Performance Degradation

Some Civil 3D users have been experiencing major performance degradation issues causing files to take 5 minutes or more to open. Users that have noticed this issue have reported that plotting is slow and the Purge command is taking up to a minute for the dialog box to open and sometimes an hour for the purge itself to complete.

Autodesk has published a solution for this issue on the Autodesk Knowledge Network. Anecdotally, some users who were dealing with performance degradation issues in Civil 3D have experienced up to 80% improvement after following the update instructions. It’s important to note that not all Civil 3D users are experiencing problems.

To download the update file and find installation instructions, visit the Autodesk Knowledge Network.

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Comments (2)

I can’t seem to find any supporting information for what the “known issue” is. I think it’s great that there is a fix but there seems to be little to no explanation as to what is being fixed and what the cause of the problem is. Without enough documentation it seems we are to “trust” the fix but I am always hesitant to install anything without some kind of explanation. Maybe this is me being overly cautious but I have personally seen trusted installs go awry. Anyone want to point me in the right direction?
Please and thank you!

Hi James, the known issue is that some, but not all, Civil 3D users are experiencing significant performance degradation issues related to opening files and certain commands. If you are having performance issues and have any questions about installation, you can reach out to our technical support team.

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