Re: Verifying existence of a mailbox for a given username

Hi,

Thanks for your help. On what other parameters can the search be
performed? I am not given the first name, only the username (or alias).

To clarify, I'm using ADO with the ExOLEDB driver to add/modify/remove
appointments in an Exchange store. None of the relevant sample code
demonstrates how to check if a mailbox in particular (or any arbitrary
path in the Exchange store, generally speaking) exists before attempting
to open a connection to it. Or is it recommended to just handle the
exception that is thrown when attempting to open a resource that doesn't
exist?

Thanks again,
Michael

Henning Krause [MVP - Exchange] wrote:
Hello,

you can use the OWA galfind.

While this is not documented and subject to change in future version of
Exchange, it will certainly work with Exchange 2003. Then FN= parameter
ist the firstname.

You can use Fiddler to the parameters of the other options.

OWA uses this feature when adding recipients to an email.

GET /exchange/username/?Cmd=galfind&FN=%73%74%65%66%61%6e HTTP/1.1

Be sure to fake the IE useragent string to get the proper response from
the Exchange server.

Best regards,
Henning Krause

"Michael McGranahan" <mmcgranahan@xxxxxxxxxxxxxxxx> wrote in message
news:OfkhsVEhGHA.3916@xxxxxxxxxxxxxxxxxxxxxxx
Hello,

What is the best/correct way to verify the existence of a mailbox for a
given username without using ADSI? I am building a web service that
interfaces with Exchange 2003. The client supplies the username (and
other data) in calls such as CreateAppointment and
GetListOfAppointments. I am restricted for business reasons from
interfacing directly with ADSI. How can I validate the username?
Should I simply try to open the HTTP resource (e.g.
"http://localhost/exchange/joe";) and catch exceptions when the resource
doesn't exist? Does CDOEXM provide relevant functionality?

Thanks for your help.

--
Michael McGranahan
Programmer/Analyst
College Information Services, UCLA



--
Michael McGranahan
Programmer/Analyst
College Information Services, UCLA
.

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