Outlook passes the credentials to Exchange which logs into the domain on the user's behalf.
Ed Crowley MCSE+Internet MVP kcCC+I Tech Consultant hp Services Protecting the world from PSTs and Bricked Backups! -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Chris tanner Sent: Thursday, July 18, 2002 10:34 AM To: Exchange Discussions Subject: How Outlook / Exchange authenticates users Hello All, A user conencts to a network via RAS, but for some reason doesn't log into the domain. When they try to start Outlook, they get an NT login window. The question I have is: Does the client (i.e. Outlook) handle the login, or does the Exchange server. Who passes the username and password to the DC. We are running NT 4.0 SP 5 (mostly) and Exchange 5.5 SP 4. I think that when Oulook starts up it calls MAPI which invokes CDO. The latter tries to make an RPC connection to the Exchange server. To do this, it needs to authenticate itself to the Exchange server. This requires a valid username and corresponding SID. If a user has to login, then Outlook (i.e. MAPI or CDO) solicits the username/password info, passes that to a DC, receives the SID and passes that to the Exchange server in order to get a valid RPC connection. Is the explanation correct, or am I all wrong? Thanks, Chris Tanner AECL Chalk River, Ontario Canada K0J 1J0 E-Mail: [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]
