Decommissioning Exchange 2010 DAG | EighTwOne (821): http://eightwone.com/2013/02/05/decommissioning-exchange-2010-dag-to-single-servers/
Disable circular logging
Move, disable, remove, enable arbitration mailboxes:
Get-Mailbox -Arbitration | ft Name,Database
Get-Mailbox –Arbitration –Database DB01 | New-MoveRequest -TargetDatabase DBYZ
Get-Mailbox -Arbitration -Database db1 | Disable-Mailbox –Arbitration
Get-Mailbox -Arbitration -Database db1 | Disable-Mailbox –Arbitration –DisableLastArbitrationMailboxAllowed
Enable-Mailbox –Arbitration –Identity <SystemMailbox[GUID]>
Get-Mailbox -Arbitration -Database DB01 | Remove-Mailbox -Arbitration -RemoveLastArbitrationMailboxAllowed
Recreate and enable missing arbitration user accounts and mailboxes in Exchange Server 2010: http://social.technet.microsoft.com/wiki/contents/articles/5317.recreate-and-enable-missing-arbitration-user-accounts-and-mailboxes-in-exchange-server-2010.aspx
setup.com /PrepareAD
Exchange 2010: Unable to open Exchange Management Console - Initialization Failed: http://blogs.technet.com/b/whats_on_scotts_mind_today/archive/2012/12/07/exchange-2010-unable-to-open-exchange-management-console-initialization-failed.aspx
Remove reg key “NodeStructureSetting” under “HKEY_CURRENT_USER\SOFTWARE\Microsoft\ExchangeServer\v14\AdminTools”
Unable to Remove Failed Server from DAG in Exchange Server 2010: http://exchangeserverpro.com/unable-remove-failed-server-dag-exchange-server-2010/
How to Remove an Exchange 2010 Public Folder Database: http://exchangeserverpro.com/exchange-2010-remove-public-folder-database/
Use ADSIEdit to remove database from organization:
Connect to “Configuration”
Navigate to database and delete
CN=Configuration,DC=Domain,DC=Com > CN=Services > CN=Microsoft Exchange > CN={YourOrgName} > CN=Administrative Group > CN=Exchange Administrative Groups (FYD…) > CN=Databases
Is it ok to remove Exchange Server objects using ADSIEDIT #Exchange #Exchange2010:
