By updating this, all the utility processing would be done in the new directory, correct?  Therefore, as long as you have sufficient memory in the new work directory, you would not run into insufficient memory errors? Is there a way to make sure SAS is using the updated work library when first running your program?   The issue is the program I ran took over 6 hours, and the error occurred at the very end.  I want to make sure SAS is using the new work library for utility processing before I re-run the program. ... View more