Integration with Other Applications > Windchill Workgroup Manager Documentation > SolidWorks > Advanced Techniques > Managing SolidWorks Configurations > Assumptions and Restrictions
  
Assumptions and Restrictions
Consider the following assumptions and restrictions:
Windchill Workgroup Manager assumes that SolidWorks configurations are not modified independently of the generic model.
By default, PTC_IS_INSTANCE is set to No.
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If you want the default value for PTC_IS_INSTANCE to be Yes, you can set this configuration-specific property in your SolidWorks template files.