Introduction
This FAQ entry describes what to pay attention to with regard to licenses and authorizations for WinCC flexible. This entry covers licenses for panels, WinCC flexible ES and WinCC flexible RT.

Please follow the instructions in the PDF file (Attachment 1). The following points are covered in the document.

1 General Information about Licenses
   1.1 License, Certificate of License and License Key
   1.2 Why Do You Need Licenses?
   1.3 Available License Types
   1.4 Licenses for Options and Services of WinCC flexible ES/RT
2 How Do You Transfer Licenses?
   2.1 Which Software is Needed?
   2.2 How Do You Transfer License Keys?
   2.3 Transferring License Keys to an Operator Panel via Automation License Manager
   2.4 Removing License Keys from an Operator Panel via Automation License Manager
3 License Key Backup
   3.1 Which Software is Needed?
   3.2 When Do You Have to Back Up License Keys?
   3.3 Backup and Restore
4 Upgrading Licenses
   4.1 What Is a License Upgrade and What Types Are There?
   4.2 Requirements for an Upgrade
   4.3 Upgrading Using the Automation License Manager
5 Special Features of WinAC MP
   5.1 License Keys for WinAC Types
   5.2 License Keys for WinAC Versions.
   5.3 Other Special Features
   6 Frequently Asked Questions
   6.1 How Do You Repair a Defective License?
   6.2 Why is a License Invalid After Changing Time Zones?
   6.3 Why are License Keys Not Recognized?
   6.4 Where is the "Old" License Key Located after an Upgrade?
   6.5 How Do You Retrieve a Lost License Key?
   6.6 Why are Licenses from TP 177 Not in the Backup?
   6.7 Can You Use a License for WinCC flexible 2008 also for WinCC flexible 2007?
   6.8 Can You Change the Versions of WinCC flexible by Replacing Licenses?
         (This does not apply for Micro and China Edition)

Attachment 1: WinCC_flexible_Lizenzen_en.pdf ( 922 KB )

Attachment 2 lists the licenses required for the various options and services in WinCC flexible Runtime (RT) and WinCC flexible Engineering System (ES).

Attachment 2: License_Key_List_e_V1_1.pdf ( 15 KB )

Keywords
License repair, License destruction, License installation connection, License upgrade, ALM, Automation License Manager, License defective, License not recognized