Upon the first launch of DraftSight after a new installation, you will be walked through an Activation Wizard. You will need your serial number and internet access to activate. In addition to an instant and automatic activation, you may also choose the manual email activation. Once DraftSight is up and running, you can also click on “Activate DraftSight…” under the Help menu to launch the Activation Wizard.

Please visit the DraftSight Community wiki page and DraftSight Activation post for more details:

https://r1132100503382-eu1-3dswym.3dexperience.3ds.com/#community:51/wiki:514

Please follow these steps to refresh the license information on the computer. It can resolve some activation problems. 

1. Ensure that DraftSight is not running. Browse to this location where the DraftSight serial number information is stored: ~/Library/Preferences/com.solidworks.licenses.serialnumbers.plist
2. Rename the above .plist file to "com.solidworks.licenses.serialnumbers.plist_old"
3. Start DraftSight again. It will prompt you to enter your serial number.
4. Follow the steps to reactivate your license. 

This error occurs when the license is already active on another computer. You must follow the steps below to deactivate and release the license from that PC before it can be activated on another PC.

A full description of this process is available in the DraftSight Community in this Wiki post:

https://r1132100503382-eu1-3dswym.3dexperience.3ds.com/#community:51/wiki:AwKV5cpbQrOLfzbh8t6B7w

If the link does not direct you to the post, copy and paste the link into your web-browser address bar.

1. Start DraftSight and click on Down Arrow beside Help ? at the top right of your DraftSight screen.
2. Click on Activate DraftSight and take note of your DraftSight Serial Number.  You will need this. Just click on cancel once you’ve got the details.

A full description of this process is available in the DraftSight Community in this Wiki post:

https://r1132100503382-eu1-3dswym.3dexperience.3ds.com/#community:51/wiki:LM_qExSoQk6fWyEq1szD1w

If the link does not direct you to the post, copy and paste the link into your web browser address bar.

Please follow these steps to refresh the license information on the computer. It can resolve some activation problems.

1. Ensure DraftSight is not running. Browse to this location where DraftSight activation information is stored: C:\ProgramData\FLEXnet
2. Rename folder named Flexnet to say Flexnet_old
3. Restart DraftSight. You will be prompted to perform reactivation.
4. Follow the steps to reactivate the license

No. The SolidNetWork License (SNL) and DSLS network license manager solutions are only available on Windows operating systems.

Yes, SNL  licenses can be taken offline from SNL manager. This allows the user to launch DraftSight when they are not connected to the SNL Manager. Refer below link for detailed steps:   https://r1132100503382-eu1-3dswym.3dexperience.3ds.com/#community:51/wiki:MbLObWhbSd27YCm5-wnciQ       

Yes, DSLS  licenses can be taken offline from Dassault Systemes License Server (DSLS). This allows the user to launch DraftSight when they are not connected to the DSLS. Refer below link for detailed steps:      https://r1132100503382-eu1-3dswym.3dexperience.3ds.com/#community:51/wiki:p1tSaYPySImJGBmUKXgDpA