Hi.
Firstly my alarm bells start ringing when I see you using an admin account
for CalDAV etc. The admin account should be - my personal strong belief -
only be used for administration od eGroupware and nothing else.
Create a user account for you.
Notwithstanding that, Thunderbird has several severe issues with
authentication, it always had. In addition, some servers do not support some
auth methods and others add “stuff” to the auth headers that eGroupware does
not understand, particularly shared servers in safe mode etc.
And what have you done over the past month to find the issue? That would
limit some other guesswork. Have you set up and tried various auth methods
in header setup?
My thunderbird install continuously asks for the password too. It accepts
it, however does not save it because I am using many calendars and
thunderbird only stores passwords per host, not per URL. So does MS Outlook.
In addition, my shared server adds the apache PID to the auth headers
nounce: " EGroupware CalDAV/CardDAV/GroupDAV server: bad login or
password-10466", hence HTTP auth does not work for me.
Have you tried another user?
Have you tried different auth method?
Have you looked at switching debug on and see what goes to error log?
Chers,
Ingo
