On 17/06/2014 5:45 p.m., Manfred Mayer IT wrote: > Hello, > > thanks for your suggestions on the config, I changed the lines as you proposed. But I'm still having the issue with the multiple popups at first logon with IE. Do you have any idea to this? > > Thanks and regards > Mana It is worth being aware of several things: * NTLM is a domain-based protocol, it can only be used with on-domain computers or user accounts. * that NTLM protocol was officialy deprecated by MS back in 2006. * that all MS software written since then has preferred Kerberos and at most allowed falback to NTLMv2. * NTLMv2 is not able to be used by any non-domain machine. So the problem is to find out why the non-domain machines are not correctly using Basic authentication (not having on-domain NTLM credentials to use). BTW, is IE 11 being used or something older? Amos