On Jan 10, 2005, at 11:36 AM, Matthew Hattersley wrote: > Does anybody know the limits for UID's. > > Is it 32Bit or 64Bit uids.... I asking because we are setting up a > rather > large mail cluster with ldap as the uid store. On Solaris 9 at least, max UID is 2147483647 (so it's 32bit) See the UID_MAX #define in /usr/include/limits.h /dale