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Autologon Exchange Server from Outlook

By A.R.H. ·
I need to automatically logon to an Exchange connection by the password being remembered? I can only do this when using Internet Mail Service, not the Exchange service.

Details:
Outlook 2000 on Windows 2000 Pro going to an Exchange 5.5 Server that is in a different NT4 domain. Whenever Outlook is launched, he is asked for username, domain, and password. Usernames are different for the user in each of the domains. No domain trusts are allowed in this setting.

I have tried newprof.exe, prfpatch.exe, with outlook.prf but it doesn't seem to be able to remember the NT authentication password.

If nothing else, I would like it to at least remember the domain name so users do not have to always enter it.

thanks!

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Autologon Exchange Server from Outlook

by A.R.H. In reply to Autologon Exchange Server ...

Point value changed by question poster.

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Autologon Exchange Server from Outlook

by maxwell edison In reply to Autologon Exchange Server ...

This is from Microsoft article Q263236:

The article is a resource to help administrators better understand what occurs when a user uses Outlook Web Access (OWA) to gain access to Microsoft Exchange Server version 5.5. This article provides an overview of the process and does not necessarily cover all of the steps that are required to gain access to Exchange Server by using Outlook Web Access.

When a user uses Outlook Web Access to gain access to Microsoft Exchange Server version 5.5:The user makes a Hypertext Transfer Protocol (HTTP) request for the Exchange Server virtual directory on an Internet Information Service (IIS) server (for example, http:// server_name /exchange).

Because this is a request for an application, IISautomatically processes the Global.asa file. This file contains scripts to initialize application and session variables, load the path to the HKEY_LOCAL_USER\System\CurrentControlSet\Services\MSExchangeWeb registry key, and initialize objects that are used throughout the application.

An Internet Server Application Programming Interface (ISAPI) filter (ExchFilt.dll) that examines all incoming Uniform Resource Locators (URLs) handles localization. If the filter detects a URL for one of the applications that are defined in the HKEY_LOCAL_USER\System\CurrentControlSet\Services\MSExchangeWeb\Applications key (Exchange Server is defined by default, but you can add any application to this list), the filter performs the following tasks:

Examines the AcceptLanguage header from the browser. (The AcceptLanguage header specifies the language that a given browser prefers.)

Looks up the header by using the table in the HKEY_LOCAL_USER\System\CurrentControlSet\Services\MSExchangeWeb\AcceptLanguages key.

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Autologon Exchange Server from Outlook

by maxwell edison In reply to Autologon Exchange Server ...

.
.Inserts the directory name in the URL following the application name. For example, if you have a browser that prefers USA-English, the following
// my_server /exchange/logon.asp
becomes

// my_server /exchange/usa/logon.asp
The default document for the Exchange Server virtual directory (Default.htm) is sent to the browser. This file performs a simple redirect to URL=/exchange/logon.asp

Logon.asp performs the following tasks:

Active Server Pages (ASP) files can contain a combination of server and client scripts. The ASP component in IIS performs server operations and also sends generated Hypertext Markup Language (HTML) pages to the Web browser. This is how the initial logon window is built and displayed.

A server operation obtains the browser type and version to determine if the browser that made the request is supported. If the browser is not supported, Logon.asp indicates that the browser is not supported and nothing more is done.

For additional information about client requirements, click the article number below to view the article in the Microsoft Knowledge Base:
Q239569 XWEB: Requirements for Outlook Web Access

Logon.asp prompts the user to either provide a mailbox name or to choose anonymous access. Annonymous access allows the user to read from and post to public folders anonymously and also to find names in an address book by using Lightweight Directory Access Protocol (LDAP).

Logon.asp submits an HTML form that contains a mailbox value (the mailbox is blank if the user chooses anonymous access).

The action that is associated with this HTML form is to call Logonfrm.asp.

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Autologon Exchange Server from Outlook

by maxwell edison In reply to Autologon Exchange Server ...

.
.
Logonfrm.asp performs the following tasks:

If the user provided a mailbox at the logon window and OWA has not already gained access to that mailbox in this session, Logonfrm.asp returns a Response.Status of "401 Unauthorized" to force authentication.

Logonfrm.asp creates a Messaging Application Programming Interface (MAPI) session by using the Collaboration Data Objects (CDO) logon method. This MAPI session provides OWA with an interface to the Exchange Server computer.

For additional information about using this logon method, click the article number below to view the article in the Microsoft Knowledge Base:
Q195662 HOWTO: Log On to Exchange with the ProfileInfo Parameter
Logonfrm.asp passes control to Root.asp alongwith an indication of the type of access that the user requested (authenticated or anonymous).

Root.asp is the last step in the logon process, and Root.asp performs the following tasks:

Root.asp determines which information store to open (either a private mailbox or the public folder tree).

If the authenticated user's password is set to expire in fewer days than the iNotificationPeriod value (14 days by default), Root.asp alerts the user.

For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
Q190433 XWEB: Err Msg: Current Password Is About to Expire in 0 Days
Root.asp sets up the main Outlook Web Access interface, which includes the navigation bar and folder list.

-----------------

Link to article:

http://support.microsoft.com/default.aspx?scid=kb;EN-US;q263236

(REMOVE SPACES from the pasted URL.)

Maxwell

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Autologon Exchange Server from Outlook

by A.R.H. In reply to Autologon Exchange Server ...

OWA is NOT being used. It is strictly Outlook 2000 going across the WAN.

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Autologon Exchange Server from Outlook

by chris hirst In reply to Autologon Exchange Server ...

Look at the Exchange properties on the services dialog in Outlook and there are different settings for Logon Network security on the Advanced Tab, You probably have it set to None, If you set it to NT Password this should accept the Logged on username and password as authentication.

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Autologon Exchange Server from Outlook

by A.R.H. In reply to Autologon Exchange Server ...

NT Authentication is being done. I should mention that the account in the Exchange-domain is a different account/password than in the users' domain.

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Autologon Exchange Server from Outlook

by DAO251 In reply to Autologon Exchange Server ...

I'm not sure it can remember the password, but I believe it can remember username and domain name.

please read the following:
http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q198438

(remove space from the link above)

HTH,
cheers,Dima

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Autologon Exchange Server from Outlook

by A.R.H. In reply to Autologon Exchange Server ...

I think this just about answers my question, although I haven't tried it yet. My next challenge is to get it to work on a Terminal Server. I wonder if placing this key under the .DEFAULT user section would cover for all users that login to the Terminal Server. Oh well, I'll see.
Thanks Dima for the good research!

Allan H.

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Autologon Exchange Server from Outlook

by A.R.H. In reply to Autologon Exchange Server ...

This question was closed by the author

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