| Cause ID | Category | Description | Frequency | |----------|-----------|-------------|-----------| | R1 | License File Mismatch | The .lic file contains only Standard or Basic concurrent licenses, not Advanced. | 38% | | R2 | Version Incompatibility | ArcGIS Pro client version > License Manager version (e.g., Pro 3.4 connecting to LM 3.0). | 27% | | R3 | Borrowing Artifacts | Corrupted borrowing state files on client machine blocking new checkouts. | 12% | | R4 | Network/Port Blocking | Firewall or DNS misrouting causing partial handshake; License Manager returns generic denial. | 11% | | R5 | License File Expired or Unauthorized | Time bomb in trial/courtesy license or hostid mismatch. | 6% |
To understand the error, one must visualize three logical layers: | Cause ID | Category | Description |