Hi all, My lab has 4 PCs (installed Win2008 R2): PC1: roles as Active directory PC2: Exchange 2007 poited to PC1 PC3: Exchange 2010 Sp3 poited to PC1 PC4: (Exchange 2013) poited to PC1 I want to deploy Exchange 2013 into it but have error as follow: So, please help me to solve it

homeMDB value is missing from one of the system Mailboxes. Copy the homeMDB attribute value from any of the working User mailbox and paste it into homeMDB of the system mailbox. Once it's done, continue the installation and it should complete without issue. Cheers, Gulab Prasad, gulab@exchangeranger.com My Blog | Z-Hire Employee Provisioning App

Hi Gulab, I've not experienced Exchange so could you help me how to do your recommends as above, please ? Thanks

See the steps in the below article http://www.exchangeranger.com/2012/10/upgrade-discovery-mailboxes-to-r5.htmlGulab Prasad, gulab@exchangeranger.com My Blog | Z-Hire Employee Provisioning App

Hello, This problem will occur when the federated built-in e-mail account that links to the computer account no longer exists. Or, the federated built-in e-mail account in the Active Directory directory service is corrupted. This is the KB related to the error for your reference. (Note: The KB also applies to exchange 2013) http://support.microsoft.com/kb/978776Cara Chen TechNet Community Support

Hello, This problem will occur when the federated built-in e-mail account that links to the computer account no longer exists. Or, the federated built-in e-mail account in the Active Directory directory service is corrupted. This is the KB related to the error for your reference. (Note: The KB also applies to exchange 2013) http://support.microsoft.com/kb/978776Cara Chen TechNet Community Support

Hi all, I can deploy Exchange 2013 in WIn22008 after remove SystemMailbox{e0dc1c29-89c3-4034-b678-e6c29d823ed9} FederatedEmail.4c1f4d8b-8179-4148-93bf-00a95fa1e042 in Active directory server Thanks,

Remove the mailboxes and run the prepare AD again which will recreate the mailboxes. Check System Mailboxes in 2010/2013Rajith Enchiparambil | http://www.howexchangeworks.com |

Let's me summary all steps from yours and mine 0. uninstall Exchange 2013 1. need to remove 2 mailboxes into Active Dir server: SystemMailbox{e0dc1c29-89c3-4034-b678-e6c29d823ed9} FederatedEmail.4c1f4d8b-8179-4148-93bf-00a95fa1e042 // for more details: http://www.exchangeranger.com/2012/10/upgrade-discovery-mailboxes-to-r5.html http://support.microsoft.com/kb/978776?wa=wsignin1.0 2. run prepare ad again 3. re-run Exchange 2013 Thank for all your help.