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The kerberos client received a KRB_AP_ERR_MODIFIED error

Written by admin on July 1, 2008 – 10:18 am

Due to some reconfiguration, I turned off a domain controller. Everything seemed to be working fine, until a few people complained about authentication errors on a Java-environment. Because I wanted to fix this problem quickly, I edited my DNS-record in Active Directory: I pointed my turned-off server (DC2) to the IP-address of a running DC (DC1). This seemed to be working, until a few people faced an error on the logon script: “Logon failure: the target account name is incorrect“.

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Posted in Event ID, Windows 2003 | No Comments »

Logon to OWA results in problem 4003 (INSUFF_ACCESS_RIGHTS)

Written by admin on June 17, 2008 – 1:52 pm

After a migration from Exchange 2003 to Exchange 2007, some users may experience problems while connecting to Outlook Web Access (OWA). When they try to logon, they face the following error:

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Posted in Exchange 2007 | No Comments »

Error: ClassFactory cannot supply requested class, error code: -1056749262

Written by admin on June 14, 2008 – 2:39 pm

During a migration of Exchange 2000 or Exchange 2003 to Exchange 2007, the following error may occur:

Error was found for Username(user mail address) because: Error occurred in the step: Opening source mailbox. Failed to open mailbox with error: ClassFactory cannot supply requested class, error code: -1056749262

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Posted in Exchange 2007 | No Comments »

Duplicate mailbox was found, error code -1056749241

Written by admin on June 14, 2008 – 12:59 pm

In a mixed environment with Exchange 2003 and Exchange 2007, you may get the following error:


Last name, First name
Failed

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Posted in Exchange 2007 | No Comments »

Export mailboxes from Exchange 2007 with Export-Mailbox

Written by admin on June 14, 2008 – 12:27 pm

When you try to use the Export-Mailbox command in Exchange 2007 for the first time, it is very likely that you will face a couple of errors. Although I can describe all the errors you have probably seen, it’s better to start all over with the basic needs:

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Posted in Exchange 2007 | No Comments »