1.9 Upgrading WinCC
1.9.1
Upgrading WinCC
Introduction
You can upgrade to WinCC V7.4 from version WinCC V6.2 SP3 and higher by means of an
upgrade installation.
Proceed as described in "Upgrading an installation" section.
Note
Restart PC before installing the update
Restart the PC before commencing installation of the update to WinCC V7.4.
Requirements for the upgrade
If you are upgrading WinCC versions prior to V7.0 SP3, observe the operating system
requirements and hardware requirements.
Additional information on migration of WinCC versions V4 or higher is available under the
following URL (entry ID=44029132):
●
Internet: FAQ Migration V4 > V7 (
https://support.industry.siemens.com/cs/de/en/view/
44029132)
Upgrading WinCC clients
WinCC clients can only be upgraded starting with WinCC V7.2.
To upgrade a WinCC client with a version prior to WinCC V7.2, follow these steps:
1. Perform an upgrade installation to WinCC V7.3.
2.
Perform an upgrade installation from WinCC V7.3 to WinCC V7.4.
If you want to upgrade a version prior to V7.2 to V7.4, the SQL Standard Server is installed
instead of SQL Express. This installation displays the license requiring acknowledgment
message on the WinCC client.
Information on migrating projects
When you open a project of a previous version in WinCC V7.4, you are prompted to migrate
it. However, you may also use WinCC Project Migrator to migrate several WinCC projects in
a single step.
You still have to make some project settings after migration.
WinCC Installation Notes
1.9 Upgrading WinCC
WinCC: General information and installation
48 System Manual, 02/2017, A5E40840020-AA
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