ユニオンを使用して制限を回避します..
このように:
select TOP 901 * from openquery(adsisca, ' select givenName, sn, sAMAccountName from ''LDAP://10.1.2.3:389'' where objectCategory = ''Person'' and objectClass = ''InetOrgPerson'' and sAMAccountName < ''m'' ') union select TOP 901 * from openquery(adsisca, ' select givenName, sn, sAMAccountName from ''LDAP://10.1.2.3:389'' where objectCategory = ''Person'' and objectClass = ''InetOrgPerson'' and sAMAccountName >= ''m'' ')
プレ>