Recently I encountered an issue with our Ubuntu clients mounting samba shares who authenticate via ldap. Our clients are configured to automatically update throughout the nights, upon reading I discovered that some updates may have caused the problem which I yet have to discover. Fortunately, a quick edit on our pam_mount.conf.xml did the trick.

The following lines contain “vers=1.0”, please note that depending on your server/client the version may differ. Also previous configurations had worked perfectly fine for years without explicitly stating the version.

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<cifsmount>mount -t cifs //%(SERVER)/%(VOLUME) %(MNTPT) -o “vers=1.0,
user=%(USER),uid=%(USERUID),gid=%(USERGID)%(before=”,” OPTIONS)”</cifsmount>
<smbmount>smbmount //%(SERVER)/%(VOLUME) %(MNTPT) -o “vers=1.0,
username=%(USER),uid=%(USERUID),gid=%(USERGID)%(before=”,” OPTIONS)”</smbmount>

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Hope that helps!