Microsoft KB Archive/188633

= XADM: Error 502: No Permissions When Accessing NNTP Server =

Article ID: 188633

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q188633



SYMPTOMS
When trying to access an NNTP service provided on an Exchange Server computer, you may receive error 502: No permissions



CAUSE
The error has one of four possible causes:


 * Anonymous access is not enabled for the NNTP protocol.
 * The incorrect password has been entered.
 * The account used for validation has been incorrectly entered.
 * The account used for validation has a duplicate alias between multiple mailboxes for mailbox and custom recipients.



WORKAROUND
To work around this problem:


 * If anonymous access is not enabled for the NNTP protocol, grant anonymous access.
 * If an incorrect password has been entered, verify and use the correct password.
 * If the account used for validation has been incorrectly entered, verify and use the correct account.
 * If the account used for validation has a duplicate alias between multiple mailboxes for mailbox and custom recipients, change the alias used on the custom recipient so that it does not match the alias on the mailbox.



MORE INFORMATION
The No permissions error is caused by a problem with validation. During the validation process, the logon name is compared to the alias of a mailbox or custom recipient.

Keywords: kbprb KB188633

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