The case against using the /3GB switch on 32-bit Windows

Article by Alin Vargatu, CSWE updated December 20, 2010


For those of us who are still using older workstations running 32 bit Operating Systems, applying the so called /3GB switch to get more memory allocated to SolidWorks is the first thing we consider when opening large files or running complex Simulation studies.

There are a lot of people for whom the /3GB switch is working fine. If you are one of the “unlucky” ones, who are getting all kind of problems in SolidWorks after applying the /3GB switch, please read this article which explains why that happens:

The case against using the /3GB switch on 32-bit Windows

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Alin Vargatu, CSWE

Alin is a SOLIDWORKS Elite Applications Engineer and an avid contributor to the SOLIDWORKS Community. Alin has presented multiple times at SOLIDWORKS World, Technical Summits, and User Group Meetings, while being very active on the SOLIDWORKS Forum.