I am still getting 503 errors when I've updated from 4.2 to 4.2.1 and when I upgraded to 4.2.2. I don't see any setting for LSAPI_ACCEPT_NOTIFY=1. Where is this LSAPI_ACCEPT_NOTIFY setting?
Also, can you think of anything else. I would like to use the latest version of 4.2.2.