Take a look at the following post which provides a few tips on solving problems with memory allocation.
communities.bentley.com/.../7903.surface-size-limits-dtm-failed-allocating-memory-error.aspx
Take a look at the following post which provides a few tips on solving problems with memory allocation.
communities.bentley.com/.../7903.surface-size-limits-dtm-failed-allocating-memory-error.aspx