I have a large map that I am trying to compile and have had a problem with getting an out of memory failure during the lighting transport compile. I tried the first time and it did the vis in 62 hrs then failed the lighting with memory. I portaled, blew out a bunch of models, and ran with fast -vis (its a beta) and full lighting. Same problem! Does anyone know if the compiler uses Video card memory or Main memory for this operation? I am using a 256 meg 7900 but have a 512 meg 6800 in a box that I could swap out. My machine has 2 gigs of ram and it blows my mind that it would run out! The map is big (visdatasize of 720,000+) but not as big as some I have seen. Every possible thing has been converted to Detail brushes and the skybox is at the absolute minimum. Thanks for any advice! Altheim

I had the same problem. Your memory size is too small. I changed my virtual memory from default to 1024 and never had another problem.