RE: Logging into OWA with UPN email address and password
- From: "A. M. Salim" <msalim@xxxxxxxxxxxx>
- To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
- Date: Wed, 8 Sep 2004 11:59:27 -0400 (EDT)
Hello Raj,
Excellent information, thanks!
a) You are correct about the LAN-ID not necessarily matching the email
address. I have a UPN set up so the domain name will match their email
addresses's domain name, and they can use the LAN-ID. Is there a way to
also use the actual email address instead of the LAN-ID? That way,
neither the AD Domain name nor the LAN-ID is exposed when using OWA.
b) I am not sure if forms based authentication is needed - would it be
required here? Any advice on FBA relative to OWA would be appreciated.
best regards
Mike
> When you mention you want the users to logon using the email address, I
> assume you mean the UPN of the user ID. The UPN is typically
> LANID@xxxxxxxxxxxxx, where LANID is the user's LAN ID, and the
> ad-domain.xxx is the Active Directory domain name, not necessarily your
> email domain name. In most cases this format will match the user's SMTP
> email ID. However, in some cases, the User LAN ID will not be the same
> as the SMTP ID. If you configure your SMTP addresses to use
> firstname.lastname@xxxxxxxxxxxxxx, the LANID will be different. Also, in
> some cases, the AD domain name is different from the domain name used
> for email. In this case you can always add an additional UPN suffix to
> your domain to match the email domain name. Also note that the NetBios
> domain name is not the same as your AD DNS domain name, for example,
> when you specify the domain name in the logon box, you can specify
> DOMAINX as your domain name. But when you use the UPN format you may
> have to use user@xxxxxxxxxxxx, where DOMAINX is the Netbios name, and
> addomain.com is the DNS name. However, the user ID part in the UPN has
> to be the user's LAN ID. So effectively, the UPN formatted logon looks
> like your email ID, and in most cases is your correct email ID, but not
> always. Run IPCONFIG /ALL, this will tell you what is the dns domain
> name fro your domain. Also, have you enabled forms based authentication
> ?
>
>
> Regards,
>
> Raj
>
>
> -----Original Message-----
> From: A. M. Salim [mailto:msalim@xxxxxxxxxxxx]
> Sent: Wednesday, September 08, 2004 10:57 AM
> To: [ExchangeList]
> Subject: [exchangelist] RE: Logging into OWA with UPN email address and
> password
>
> http://www.MSExchange.org/
>
> Hi Raj and Mike,
>
> > My reply applies to OWA login not Outlook 2003. This is a problem I
> had
> > a few days ago, and solved it by applying SP2 for XP. When you logon
> to
> > OWA, you have to use the format domain\username to login, and
> > user@xxxxxxxxxx will not work. This is the problem I had, and fixed it
> > with SP2. Even if you specify \ as the default domain to authenticate
> in
> > IIS, that does not enable UPN authentication without the patch or SP2.
>
> I am not sure if the above applies to me, as this behavior also occurs
> on
> Windows 2000 Workstations. I am checking KB 830827 to see if it helps,
> thanks Mike!
>
> best regards
> Mike.
>
>
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