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Hello, Will BDC work if PDC crashes or there is no connectivity between them? I assume that the servers are storing users / passwords in LDAP database; both BDC and PDC have LDAP running locally (changes in PDC are replicated to BDC). Will users be able to log into the domain / use roaming profiles with no PDC (as it crashed or link was broken), when only BDC is running? Tomek