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RE: OpenLDAP + Microsoft Outlook



Simon, great information for perforamnce improvement.

Do you think this would speed up searches on a single OpenLDAP directory with 50,000 + users? 

How could one get "display all" to improve to let's say 15 seconds?

Can "display all" be achieved in Microsoft's LDAP services without clicking on find and then doing a search?

Also, to answer a question that started this string, I don't know anything that deals with Microsoft that's "open source" in this area. Do you?

Thanks very much,

Tom



Simon Thornton <simon.thornton@swift.com> wrote:

>Hi,
>
>The actual search string used by LDAP service in Outlook can be found in the registry and
>looks like the following:
>
>    (&(mail=*)(|(mail=%s*)(|(cn=%s*)(|(sn=%s*)(givenName=%s*)))))
>
>This is located on my system (W2K) under:
>
>HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows
>Messaging Subsystem\Profiles\Microsoft Outlook Internet
>Settings\a27d8e6a79dd0b489277326299b681de
>
>Dunno if this is a common CSID amongst systems but try searching for the name of your LDAP
>server and look for the above string.
>
>By default the query isn't very efficient, a little tuning can improve performance
>dramatically. As you observed it does generate a lot of traffic due to the multiple search
>items.
>
>You can always widen the search by inserting other filter statements. e.g.: To search the
>telephoneNumber and postal address, you would change the search to:
>
>(&(mail=*)(|(mail=%s*)(|(telephoneNumber=%s*)(|(postalAddress=%s*)(|(cn=
>%s*)(|(sn=%s*)(givenName=%s*)))))))
>
>Or, search the DN as well:
>
>(&(mail=*)(|(mail=%s*)(|(dn=%s*)(|(cn=%s*)(|(sn=%s*)(givenName=%s*))))))
>
>
>This string is set during installation in the file MAPISVC.INF, which is
>under
>
>    C:\Program Files\Common Files\System\Mapi\1033\NT
>
>On my system, or part of the installation tree if you did an administrative install of
>office to a file server.
>
>
>
>Rgds,
>
>
>Simon Thornton
>
>


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