Hi, we are still having the same problem with qmail ldap and iPlanet directory server 5.1 sp1 both running on Solaris 8.

 

400000003db80413091b6db4 delivery 35324: deferral: Unable_to_contact_LDAP_server_(bad_server_address_or_server_down?)._(LDAP-ERR_#205)

 

With our load testing and traffic testing we have pin pointed this to when we set concurrencylocal to more than 115. When we set it higher than this number we get flooded by this error. There is no problem when the number is lower than 115. We have done some file system tweaking including file descriptors and TCP stack tweaking according to iPlanet documents and mailing list articles we have read. All of this in boths servers and with no luck. We were looking for a high concurrencylocal limit since we have a large user base (200k+ and growing) and a high mail traffic load. We are looking to launch these severs into production but are stuck with this problem.

 

Any help or hint would be greatly appreciated.

 

Taimoor Atesh

[EMAIL PROTECTED]

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