APS is compiled so that it automatically chooses which platform to run on depending on whether it’s installed on a 32 or 64 bit PC.

In certain situations you may want to force it to run in 32-bit mode even though the PC is 64-bit. For example,
• for connecting to Excel, Access or other data sources with no 64-bit bit driver.
• Running Crystal Reports (Only necessary for older versions < 2010.1.1.1). To do this, • Install Windows SDK http://www.microsoft.com/download/en/details.aspx?id=8279
• Use CorFlags.exe utility to set the 32-bit flag. In command prompt:
CorFlags.exe “../APS Client”.exe /32Bit+

Here’s a blog post with information on CorFlags.exe plus other methods for accomplishing this.

Please note that running APS in 32-bit mode will limit the amount of memory it can use and can slow down performance.

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