I set my reg key to 640 hex (1600 characters). I also learned the hard way that directory harvesting only works when I point it at my Global Catalog. The default is a DCs LDAP port, which takes 5-7 seconds per message. This was killing my smtp gateway. The GC port takes a few milliseconds per message, much better.
I haven't installed the patch yet. Let me know how that works for you.
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let the wise listen and add to their learning,
and let the discerning get guidance- Proverbs 1:5
