How do you restore defective license keys and authorizations? - ID: 772175 - Industry Support Siemens
Fix "STEP 7 has found a problem with Automation Licence Manager" - plc247.com
Automation License Manager
6ES78601XA020XE5 SIMATIC S7 PID Professional for TIA Portal, Upgrade license Standard PID Control/ Modular PID Control V5.1 or higher -> PID Professional V11 or higher
Lizenzierung Siemens TIA-Portal - YouTube
Offline key transfer in Siemens software - YouTube