How To Perform An Upgrade Installation - Siemens SIMATIC HMI Series System Manual

For more information about the migration of projects see section "Migration".
Note
WinCC user no longer needs to be a member of the "SQLServerMSSQLUser$<COMPUTER
NAME>$WINCC" user group
When you migrate projects created prior to WinCC V7.2, you remove the WinCC users from
this group.
In WinCC projects prior to V7.2, you will find the user group under the name
"SQLServer2005MSSQLUser$<COMPUTER NAME>$WINCC".
Notes on licensing
You need to upgrade licenses of WinCC prior to V7.4 to the current version.
You can update the licensing retroactively. Detailed information is available in the WinCC
Information System under the topic "Licensing".
See also
How to Perform an Upgrade Installation (Page 49)
Internet: FAQ Migration V4 > V7
44029132)
1.9.2

How to Perform an Upgrade Installation

Introduction
If you currently have WinCC V6.2 SP3 or higher installed on your system, you can perform an
upgrade installation.
Before beginning an upgrade installation, the transfer of existing projects must be prepared.
Requirement
The hardware configuration of previous versions is sufficient in most cases to install an upgrade
to WinCC V7.4.
WinCC: General information and installation
System Manual, 02/2017, A5E40840020-AA
(https://support.industry.siemens.com/cs/de/en/view/
WinCC Installation Notes
1.9 Upgrading WinCC
49