KB: Warning: License Renewal Failed

Created: March 25, 2021 | Updated: August 10, 2023

This article has steps that should stop the pop-up message: Warning: License Renewal Failed The License Manager was not able to renew your license. Altium Designer will retry periodically.

Starting in Version: 18.0
Up to Version: Current

Solution Details

If you are seeing this:

Try this:
  1. In Altium Designer release any licenses 
  2. Close Altium Designer 
  3. Delete the *_Security folder(s) in  C:\ProgramData\Altium\     (may have to view hidden files to see the ProgramData folder)
  4. Restart Altium Designer
The security folder will be re-created when you open Altium Designer
You may only have one (There will be one for each version of Altium installed on your computer)

This solution has also been known to resolve these issues:
When a license won't release or after release says it's in use by you.
"Use" is grayed-out


Was this article helpful?
Found an issue with this document? Highlight the area, then use Ctrl+Enter to report it.

Contact Us

Contact our corporate or local offices directly.

We're sorry to hear the article wasn't helpful to you.
Could you take a moment to tell us why?
200 characters remaining
You are reporting an issue with the following selected text
and/or image within the active document: