[Samba] Mounting Linux Samba Shares on Windows when Active Directory Server is down

Jeremy Allison jra at samba.org
Fri Oct 25 16:59:49 MDT 2013

On Fri, Oct 25, 2013 at 06:36:47PM -0400, Andy Liebman wrote:
> Hi,
> I am running Samba 3.6.19 and making my way through all the Active
> Directory documentation.  I have joined various Linux boxes to a
> Windows Server 2008 R2 Active Directory domain.  Windows 7 users who
> log on with their domain accounts can mount the correct shares
> exported by the Linux boxes without having to supply any additional
> credentials. All working perfectly!
> However, I have a question about whether there is anything I can do
> to allow Windows users to mount those same Linux shares if the
> Active Directory server is down/unreachable.  I am able to log onto
> Windows 7 with domain accounts even when the Active Directory server
> is down (at least for some amount of time -- as long as the cached
> credentials are good). However, if I try browse the Linux box to
> mount shares, I get a popup dialog from Windows telling me, in
> essence, the Active Directory server is unreachable and there is no
> way to authenticate me.
> Is there any way for Windows and Linux to do a "caching dance" so
> that Windows users are able to mount the Linux shares at least for
> some amount of time via cached credentials if the Active Directory
> server is down?  Setting the smb.conf option "winbind offline logon
> = true" doesn't seem to help here.
> Is this possible with Samba 3.6.x?

Whilst you have a valid kerberos ticket we should still
authenticate you against a member server.

What do your smbd logs say when the client is trying to
attach to the Samba share ?


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