I have a machine running AIX 5300-05. I installed Kerberos using the
procedure in Integrating AIX into Heterogeneous LDAP environments. All
users that have a Windows 2003 domain account can login using their
Windows 2003 credentials except for two. Other users that do not have
a Windws 2003 domain account have "traditional" user accounts.

I had to create "traditional" user accounts for two users that had
Windows 2003 domain accounts. One of the users, when he connected via
VPN (cisco VPN client and VPN concentrator) could not login even
though his account worked internally. The other user could login but
he is getting disconnected after about an hour even during data entry
(disconnection from the System P not the rest of the network). When
their acccounts were changed back to "traditional" AIX accounts, their
problems vanished. They have no auto logoff enabled. Any ideas?