[imp] All users Locked due to "Session Expired" problem - Help!

[Alex. Huppenthal]

> > This problem now has gone past a annoyance to a system lockout.
> >
> > Any suggestions on how to bypass session management all together? 
> > Login via some other method? We're dead in the water!!
> 
> You don't mention what your session configuration is or which 
> version of Horde/IMP you are using...
> 
> Are you using file-based or sql-based sessions?  What are the 
> session parameters in your php.ini file?
> 
> 	Andy
> 

Thanks for posting. If you see anything at all, let me know. I'm out of
ideas on things to try.. Suggestions all are welcome. I need to get this
back up. Here's how the system is setup: 


Horde Versions
Horde: 3.0-cvs 
IMP: 4.0-cvs (run IMP tests) 

PHP Version
View loaded extensions 
PHP Version: 4.3.1 
PHP Major Version: 4.3 
PHP Minor Version: 1 
PHP Version Classification: release 
You are running a supported version of PHP.
PHP Module Capabilities
Ctype Support: Yes 
DOM XML Support: Yes 
FTP Support: Yes 
Gettext Support: Yes 
Iconv Support: Yes 
IMAP Support: Yes 
LDAP Support: Yes 
Mbstring Support: Yes 
MCAL Support: Yes 
Mcrypt Support: Yes 
MIME Magic Support: Yes 
MySQL Support: Yes 
OpenSSL Support: Yes 
PostgreSQL Support: No 
XML Support: Yes 
Miscellaneous PHP Settings
magic_quotes_runtime disabled: Yes 
file_uploads enabled: Yes 
safe_mode disabled: Yes 
trans_sid disabled: Yes 
PHP Sessions
Session counter: 1 
To unregister the session: click here 

PEAR
PEAR - Yes 
Recent PEAR - Yes 
Mail - Yes 
Mail_Mime - Yes 
Log - Yes 
DB - Yes 
Net_Socket - Yes 
File - Yes (Test for a known problem with File.php) 
Date - Yes 
Auth_SASL - Yes 
HTTP_Request - Yes 
Net_URL - Yes 

PHP INI
[Session]
session.save_handler = files
session.save_path = "/usr/tmp"
session.use_cookies = 0

HORDE CONFIG config.php
$conf['umask'] = 077;
$conf['tmpdir'] = null;
$conf['session']['name'] = 'Horde';
$conf['session']['cache_limiter'] = 'nocache';
$conf['session']['timeout'] = 0;
$conf['cookie']['domain'] = $_SERVER['SERVER_NAME'];
$conf['cookie']['path'] = '/horde';