I experienced this problem almost 3 years ago as well. After many conversations with SAS, they explained that there is a 2GB limit when using Surveyreg on Windows. I don't know the exact technical details, but It is because Surveyreg has not been rewritten to properly handle Windows memory allocation. There is nothing you can do on your end to fix this problem except change OS. I converted our server from Windows to Linux and the same job that failed on Windows works fine on Linux.
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