ini file and InTouch can use up to 4 GB memory. In a 64-bit operating system, it is not necessary to edit the Boot. An entry in the boot.ini file with the /3GB switch looks like the one given below: multi(0)disk(0)rdisk(0)partition(1) WINDOWS='Microsoft Windows XP Professional' /fastdetect /3GB If the /3GB switch is enabled in Windows, then the paging file size should be set to a system managed size, and InTouch can access up to 3 GB of memory. In a 32-bit environment, the InTouch memory management can be extended to 3 GB by adding the /3GB switch in the Boot.ini file. Special configuration can increase the maximum limit to nearly 2 GB. In a 32-bit operating system, the default maximum memory of WWHeap is 1.5 GB. InTouch Memory Usage - The default value for InTouch internal shared memory management (WWHeap) has been changed to use more memory rather than the current default of 256 MB.Coexistence - If Wonderware Application Server and the InTouch HMI are installed on the same node, upgrade to Application Server 3.1 SP3 Patch 01 and InTouch 10.1 SP3 Patch 01, respectively.UAC - Disable UAC before installing the Wonderware Application Server 3.1 SP3 and InTouch 10.1 SP3, applicable for Windows Vista and newer operating systems.Installation - Installing the InTouch HMI on a computer used as a domain controller is not supported.If you have not installed InTouch 10.1 SP3, refer to the section below.
FYI ' InTouch 10.1SP3 will be released November 11th and will support Windows7'. Wonderware Intouch 10.1 sp2 will work fine. There are also links to Wonderware's Compatibility Matrix where you can check all Wonderware products for OS Compatibility. InTouch 10.1 SP3 and also Patch 01 are available for download from the Wonderware support site. All previous versions of InTouch 10.1 and earlier are not supported with Windows 7.
Solution The Home editions of Windows 7 are not supported, but both Professional and Ultimate 32 and 64 bit are supported for InTouch 10.1 with SP3 and InTouch 10.1 SP3 Patch 01.