This occurs when the checksum of the generated license file does not match what the ALM expects for V18.
| Issue | Solution | | :--- | :--- | | | Run the provided 解除重启提示批处理.bat (Restart Prompt Removal Batch File) as administrator. If that fails, open regedit , navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager , and delete the PendingFileRenameOperations value. | | Licenses disappear after reboot | Antivirus software may have quarantined or deleted the license files. Reinstall the EKB license and add the entire TIA Portal installation folder (and the Sim_EKB tool) to your antivirus exceptions. | | Error: "Automation License Manager not found" | The Siemens Automation License Manager service may not be installed. Repair your TIA Portal installation or download and install the service separately from the Siemens support site. | ekb install tia portal v18 verified
The core programming environment for S7-1200, S7-1500, S7-300, and S7-400 PLCs. This occurs when the checksum of the generated
The tool places emulated, older-style license blocks into the hidden AX NF ZZ folder on the local drive. | | Licenses disappear after reboot | Antivirus
