Siemens SIMATIC PCS 7 Function Manual page 223

Procedure - Phase 5
Phase 5 / 1. Server_1: Deactivate and exit WinCC
● Deactivate WinCC Runtime on Server_1.
● Exit WinCC on Server_1.
● Updated Server_2 is master server.
Phase 5 / 2. Client_1: Setting the preferred server
● If the preferred server for Client_1 is set to Server_2, carry out the following steps:
– Close WinCC Runtime on Client_1.
– Set the preferred server for Client_1 to Server_1.
– Start WinCC on OS Client_1.
● Activate WinCC Runtime.
Phase 5 / 3. Server_1: Backup of the PCS 7 project, of the operating system and of the PCS
7 software installation
● Back up your previous operating system, the previous PCS 7 software installation and your
current PCS 7 project as a fallback strategy.
Phase 5 / 4. Server_1: Installation or update of the operating system, PCS 7 Installation "OS
server"
● Install or update the operating system (you can find information about this in the manual
Process Control System PCS 7; PCS 7 PC Configuration ).
An OS server can only run on a server operating system which has been released for PCS 7.
You can find additional information on this in the
Readme documentation.
● Install the necessary PCS 7 components.
In the "Program Packages" dialog of the PCS 7 Setup, select the "OS Server" check box
or, if the OS is to swap out data to the Process Historian, the "OS-Server for Process
Historian" check box.
● Make the necessary settings.
Note that Windows administration of PCs should be performed by a Windows administrator.
You can find a detailed description of the PCS 7 installation and the required PCS 7-specific
settings for PC stations in the manual
Configuration .
Phase 5 / 5. Server_1: If you want to use encrypted communication after the software update:
Activate "Encrypted communication" with migration mode. You can find information about this
in the documentation
Phase 5 / 6. ES: Download OS connection data and OS target system
● Open NetPro and download the connection data from the ES to Server_1.
● Right-click on the OS to be transferred in the open PCS 7 project below the WinCC
application. Select the menu command PLC > Download in the shortcut menu. This starts
the transfer from the ES to Server_1.
Phase 5 / 7. Server_1: Start WinCC
● Start WinCC on Server_1.
Fault-tolerant Process Control Systems (V8.1)
Function Manual, 11/2014, A5E34878832-AA
Failure, Switchover and Return of Fault-tolerant Components
6.10 Guidelines for updating a redundant OS in runtime
Process Control System PCS 7; PCS 7 PC
Process Control System PCS 7; PCS 7 PC Configuration .
Process control system PCS 7; PCS 7
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