[Samba] Samba authentication slow after upgrade to Samba 3

[Mansell, Gary]

Hi,

I have just upgraded a server from Samba 2 to Samba 3 and some of the
Windows clients are taking a long time to authenticate shares (1 or 2
minutes). Eventually the username/password box appears and then when you
enter a correct password, all is fine - it is just the initial
authentication.

This is a simple UNIX password Samba server (with NIS) and I have set it
to not use encrypted passwords.

I get these errors, repeatedly, in the messages file:

[2007/06/01 08:29:26, 2] auth/pampass.c:smb_pam_auth(514)
  smb_pam_auth: PAM: Athentication Error for user mcr3
[2007/06/01 08:29:26, 2] auth/pampass.c:smb_pam_error_handler(73)
  smb_pam_error_handler: PAM: Authentication Failure : Authentication
failure
[2007/06/01 08:29:26, 0] auth/pampass.c:smb_pam_passcheck(810)
  smb_pam_passcheck: PAM: smb_pam_auth failed - Rejecting User mcr3 !


Here is my testparm output:

# Global parameters
[global]
        workgroup = DFGSRV
        server string = dfgsrv Samba Server %v
        encrypt passwords = No
        password level = 8
        username level = 8
        log level = 2
        log file = /var/log/samba/%m.log
        max log size = 200
        deadtime = 30
        socket options = SO_KEEPALIVE SO_BROADCAST TCP_NODELAY
IPTOS_THROUGHPUT
        dns proxy = No
        idmap uid = 16777216-33554431
        idmap gid = 16777216-33554431
        cups options = raw
        oplocks = No
        level2 oplocks = No

[homes]
        comment = Home Directories
        read only = No
        create mask = 0664
        directory mask = 0775

Any help gladly received as it is taking some of my users half an hour
to disconnect from their previously mapped shares and to reconnect to
them.

The problem persists if a user logs out and back in again and after a
Windows client machine reboot.

Regards

Gary

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