"The National Library Board of Singapore (NLB) has completed the migration of 52 Windows NT Domain Controllers to a Samba-based solution in all its 26 sites nationwide. The migration exercise was initiated primarily to counter the impending support end-of-life for Windows NT by 1 January 2005, as well as to solve existing issues of non-trusted domains, due to the blocking of NetBios ports across the sites, and the lack of centralized control over the 26 sites..."