https://forge.codesys.com/forge/talk/Engineering/thread/e2d56b6d85/2021-09-14T12:22:09.389000ZRecent posts to Codesys license after reinstalling Raspberry Pi2021-09-14T12:22:09.389000Z2021-09-14T12:22:09.389000Zvalentinghttps://forge.codesys.com/u/valenting/https://forge.codesys.com8eb3d3976fa3b396e9c95418ae037694e0a48112

<div class="markdown_content"><p>Thank you, it worked with the backup file</p></div>

2021-09-14T09:40:01.347000Z2021-09-14T09:40:01.347000Zeschwellingerhttps://forge.codesys.com/u/eschwellinger/https://forge.codesys.comdcd750e3b596a5fb148971d7252b800f8cc8ff9a

<div class="markdown_content"><p>Hi,<br/> this must work, did you try with your backup file of the license:<br/> This you find here<br/> c:\ProgramData\CODESYS\Licenses\XXXXX-XXXXX-XXXXX-XXXXX-XXXX\000000002d676080.WibuCmRau <br/> <strong>XXXXX-XXXXX-XXXXX-XXXXX-XXXX </strong>-&gt; is your license ticket number<br/> <strong>000000002d676080</strong> - is your serialnumber of your PI ( you see this number if you do a cat /proc/cpuinfo - or Raspberry PI update tool -&gt; System info</p></div>

2021-09-14T08:09:31.836000Z2021-09-14T08:09:31.836000Zvalentinghttps://forge.codesys.com/u/valenting/https://forge.codesys.comc456fba63f782e3225f5dff90ead9f478fedb055

<div class="markdown_content"><p>Hello</p> <p>I had to reinstall my Raspberry Pi OS and lost the installed Codesys license in the process.<br/> I tried to activate the same license on the same device after the reinstall, but it didn't work.</p> <p>Is there a way to get back this license or is it lost ?</p></div>