Exchange 2000 Mailbox Security

Hello friends,

I have a situation with Exchange 2000 Server. We primarally use Windows XP on site and every now and again I will have a user that can not access their mailbox. Outlook 2002 reports:

"Cannot start Microsoft Outlook. You do not have permission to logon."

The only way I can resolve the issue is if I go into the Active Directory/Exchange Advanced/Mailbox Rights and allow "Everyone" to have full mailbox access. From a security standpoint, this is horrible.

Does anyone know why Outlook would give such an error when "Self" has full mailbox rights?

Thanks for the help!
HuBBie36Asked:
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TooKoolKrisCommented:
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CHYROCommented:
G'day,
I had the same problem, and the following worked for me....
Goto Email account settings for MS-Outlook (by right clicking the outlook desktop icon > Properties). Select 'View or change existing email accounts', click Next. click 'More Settings', open the Advanced tab and then select 'None' from the Logon network security drop-down list.
HTH
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safcuCommented:
Hey guys, I just got this problem today at work. Only two computers out of about 40 have been affected, and this is the first time I've seen it. Most computers are only running SP1 Windows XP. The computers are on a domain, Windows 2000 Server running Exchange Server 2003. What could be causing this? I have applied the solution as detailed by CHYRO, and for the most part it worked, with one computer complaining about Norton Antivirus... However, each time users click to start MS Outlook, they are prompted for a password (along with user name and domain). Each user has their own computer and user account.

Is there an explanation as to why this is happening?
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safcuCommented:
BTW, All other computers are running with the setting "Password Authentication" for Logon network security. Any help would be greatly appreciated.
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CHYROCommented:
If you take the action described in my first post, and it still fails....
I have found that 'simply' recreating the users outlook profile resolves a number of problems with outlook clients... but this can cause problems with exchange 2003....
Good luck, I hope you all go it sorted !

Cheers, Chyro
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