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Hi, I was getting crashes with cvsnt (server) when using anything other than the sspi protocol. I've isolated the exception to a memory overrun in isDomainMember in win32.c (or rather the allocation of w_defaultdomain in BreakNameIntoParts) BreakNameIntoParts allocates DNLEN+1 characters for the domain name, DNLEN is defined in (mssdk) lmcons.h as 15, being the maximum domain name length for Lanman 2. I believe this is outdated - the code in isDomainMember uses LsaQueryInformationPolicy to retrieve the DNS name of the domain, which can (if memory serves) be up to 255 characters. (Ours is 17 chars) I've changed the definition of DNLEN in lmcons.h on my machine as a proof of concept, but this is clearly not a real solution. I think DNLEN should be superceeded throughout the win32 code. I don't know whether you'd prefer a patch, or whether there's enough information in this email. Cheers James (no more VSS, at last!)