FAQ 002075 EN

Licensing & Authorisation RFEM RSTAB 5.xx 8.xx

Why do I suddenly receive a warning "Program authorization failed"? Yesterday, I could still open RFEM/RSTAB as full version. I am not aware of anything changed.


Please check, if RFEM/RSTAB has been accidentally opened by clicking the 2D version shortcut. 2D versions have a different license key. However, all shortcuts are created automatically during the installation.


authorization, warning, error message, program start

RFEM Main Program
RFEM 5.xx

Main Program

Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

RSTAB Main Program
RSTAB 8.xx

Main Program

The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions