Licence Checkout Timed Out Autocad [updated] May 2026

At 3:15 AM, she clicked “Save” and got a spinning cursor. Then, a dreaded pop-up: Unable to obtain a license. The license server did not respond within the timeout period. AutoCAD froze, then closed.

She checked her Wi-Fi. Still connected. But then she noticed: her VPN had auto-updated and disconnected from the office network. Her AutoCAD license was network-based (a common setup for firms using a license server). Without the VPN tunnel to the license server, AutoCAD couldn’t check out a license. licence checkout timed out autocad

There, she found a file named Drawing1_1_1_3456.sv$ . She renamed the extension to .dwg and opened it. She had lost only 3 minutes of work, not 20. At 3:15 AM, she clicked “Save” and got a spinning cursor

She opened LMTOOLS (license manager utility) on her local machine, went to the “Borrow/Return” tab, and saw that her borrowed license had technically expired 10 minutes ago due to a mismatch between her laptop’s clock and the server’s clock (a known daylight saving issue). AutoCAD froze, then closed