Fast login via ssh / Slow login via login manager with machine in AD-domain
Dear board,
This is my first post. Thanks for this forum.
I just put together a linux (Debian 8) machine that I joined successfully to an Active Directory domain. Everything works fine so far, I can login with domain accounts and everything becomes mounted well.
Now I wonder why when ssh'ing to the machine, login with domain accounts and machine-local accounts is quite fast ... but when login in in front of the computer using LightDM the login process is a bit slow (both for domain and local users).
After typing a (correct) username, tabbing to the password field takes, well, 20 seconds or so. During that time, LightDM seems a bit frozen (although the mouse pointer can be moved and I can switch to a console by CTRL+ALT+F-key).
I had a look in the PAM-configuration but everything seems ok. Do you have any hints? /var/log/auth.log shows no problems IMHO.
Thanks a lot in advance for any answer.
Greetings from Germany
Benjamin
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