sudden slow performance

[Anonymous]

AutoCAd is running very slow today. I haven't changed any settings. Last Friday it was working great. Today(Monday) it's too slow to work in. I can draw 3 short lines in a triangle, hit enter to end the command.... 30 seconds later I can go to my next command. So I erase what I just drew..... 30 seconds later I can move on to the next command. It's all drawings. It doesn't matter if they are large or small. 400k- 11,000k. Any command is 30 seconds wait with the spinning cursor.

Win 10 acad LT 2020

Intel i9-9900k CPU

NVIDIA Quadro RTX 4000

64 GB Ram

[pendean]

Restart Windows and see if the problem goes away.

[Anonymous]

I did that. I just got off the phone with support. They told me it is a windows problem. He installed "Process Monitor" and here is the error:

2:11:49.4748095 PM acadlt.exe 8120 CreateFile C:\Windows\CSC\v2.0.6\namespace\eng-server NAME NOT FOUND Desired Access: Read EA, Write EA, Read Attributes, Write Attributes, Delete, Read Control, Synchronize, Disposition: Open, Options: Synchronous IO Non-Alert, Attributes: n/a, ShareMode: Read, Write, Delete, AllocationSize: n/a

[rkmcswain · Accepted solution]

@Anonymous - turn off your WiFi, disconnect any network cable / other connections.

Try again. Better?

[Anonymous]

Ok, I disconnected my network cable, did a couple commands, re-connected the cable, saved the drawing(saves to our server) and now is back to normal. I don't know what the problem was, but it's working now.

Thanks!

[rkmcswain]

@Anonymous  -- your ACAD profile, and to a lesser extent, the drawing file itself can (well, almost certainly does) contain links, references, etc. to various things. If any one of those references becomes unreachable, for whatever reason, ACAD will slow to a crawl while it waits on the O/S to find whatever it can't find.

I wish I had more intricate knowledge on it, but severing all network connections is a good trick/hack/whatever you want to call it - to find out if this is happening. It's just a trial and error thing. Take away something and see if the problem continues.

I've been around here long enough to see that taking away network connections frequently "solves" the slowness issue.

Good luck.

[Anonymous]

The strange thing, was that it only affected AutoCAD. All other programs worked fine. It's working now so I'm happy.

Thanks

[Anonymous]

Did you ever find a fix for this?