https://forums.autodesk.com/t5/installation-licensing-forum/revit-2021-installation-problom/m-p/10377336#M20743 <P>Try using my <A title="Download here" href="https://forums.autodesk.com/t5/installation-licensing/how-to-reset-autodesk-2022-licensing-update/td-p/10183796" target="_blank" rel="noopener">reset script</A> for Autodesk 2021 products in my signature and redo the licensing to see if it will work for you.&nbsp;&nbsp;</P> Wed, 09 Jun 2021 20:26:15 GMT TravisNave 2021-06-09T20:26:15Z https://forums.autodesk.com/t5/installation-licensing-forum/revit-2021-installation-problom/m-p/10375580#M20742 <P>I insalling revit 2021 and serial number will show (-sk) and cause activation code error 0015(22)</P> Wed, 09 Jun 2021 08:28:42 GMT https://forums.autodesk.com/t5/installation-licensing-forum/revit-2021-installation-problom/m-p/10375580#M20742 husamcivil 2021-06-09T08:28:42Z https://forums.autodesk.com/t5/installation-licensing-forum/revit-2021-installation-problom/m-p/10377336#M20743 <P>Try using my <A title="Download here" href="https://forums.autodesk.com/t5/installation-licensing/how-to-reset-autodesk-2022-licensing-update/td-p/10183796" target="_blank" rel="noopener">reset script</A> for Autodesk 2021 products in my signature and redo the licensing to see if it will work for you.&nbsp;&nbsp;</P> Wed, 09 Jun 2021 20:26:15 GMT https://forums.autodesk.com/t5/installation-licensing-forum/revit-2021-installation-problom/m-p/10377336#M20743 TravisNave 2021-06-09T20:26:15Z