Key Registration Work - Rstudio

| Issue | Likely Cause | Solution | |-------|--------------|----------| | License server unreachable | Outbound HTTPS blocked | Switch to offline license file | | Invalid key format | Typo or wrong product key | Verify key length & product match | | Host ID mismatch | Virtual machine clone | Re‑register on actual hardware ID | | License count exceeded | More users than allowed | Reduce concurrent sessions or upgrade |