Moving mailboxes from Exchange 2003 to Exchange 2010 question. Moving mailboxes to another request in 2003 to move between groups if theorganization is in mixed Exchange 5.5 and later should support all drive andreplace them with single-mode, so how do I change? Forest from Exchange 2010to add an authentication method and user name is specified in the Kerberosauthentication was used aneunsangtae. Kerberos authentication allows a domainuser name but does not allow a local user name. Please chaekjom resolve thiscoming up.

Hi baek, Per your description, you have a mix scenario which contains exchange 2003 and exchange 2010, right? Please update the exchange 5.5 to exchange 2003, and then let the email system only with exchange 2003, and then do the migration. Some information for you: http://technet.microsoft.com/en-us/library/ff805040.aspx http://technet.microsoft.com/en-us/library/aa998186.aspx Regards! GavinPlease remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.