January 10, 2012

Exchange 2010 - Server remove issues

Remove-mailboxDatabase
get-mailbox | remove-mailbox
To remove the administrator mailbox
get-mailbox -id administrator | disable-mailbox
To remove the arbitrary mailbox

get-mailbox -Database "Mailbox Database 1575725052" -Arbitration | Remove-Mailbox -Arbitration

Exchange can't remove the arbitration mailbox "vanarts.com/Users/SystemMailbox{1f05a927-bff0-4492-acc5-

4b1191342fb2}" because it's the last one in the organization. + CategoryInfo : InvalidOperation: (vanarts.com/Use...5-4b1191342fb2}:ADObjectId) [Remove-Mailbox],
InvalidOperationException + FullyQualifiedErrorId : 78359DD3,Microsoft.Exchange.Management.RecipientTasks.RemoveMailbox
Confirm
Are you sure you want to perform this action?
Removing the Mailbox "vanarts.com/Users/SystemMailbox{e0dc1c29-89c3-4034-b678-e6c29d823ed9}" will remove the Active
Directory user object and mark the mailbox in the database for removal.
[Y] Yes [A] Yes to All [N] No [L] No to All [?] Help (default is "Y"):
Confirm
Are you sure you want to perform this action?
Removing the Mailbox "vanarts.com/Users/FederatedEmail.4c1f4d8b-8179-4148-93bf-00a95fa1e042" will remove the Active
Directory user object and mark the mailbox in the database for removal.
To remove the last arbitrary mailbox

get-mailbox -Database "Mailbox Database 1575725052" -Arbitration | Disable-Mailbox -Arbitrary -DisableLastArbitrationMailboxAllowed

Confirm

Are you sure you want to perform this action?
Disabling Mailbox "vanarts.com/Users/SystemMailbox{1f05a927-bff0-4492-acc5-4b1191342fb2}" will remove the Exchange
properties from the Windows user object and mark the mailbox in the database for removal.
[Y] Yes [A] Yes to All [N] No [L] No to All [?] Help (default is "Y"):

If you use Remove-Mailbox -Arbitration -RemoveLastArbitrationmailboxAllowed, the following error will pop up.


The arbitration mailbox "adatum.com/Users/SystemMailbox{e0dc1c29-89c3-4034-b678-e6c29d823ed9}" is used by Exchange and can't be removed. + CategoryInfo : NotSpecified: (adatum.com/User...8-e6c29d823ed9}:ADObjectId) [Remove-Mailbox], Recipient TaskException + FullyQualifiedErrorId : 5E8509C3,Microsoft.Exchange.Management.RecipientTasks.RemoveMailbox The arbitration mailbox "adatum.com/Users/FederatedEmail.4c1f4d8b-8179-4148-93bf-00a95fa1e042" is used by Exchange and can't be removed. + CategoryInfo : NotSpecified: (adatum.com/User...bf-00a95fa1e042:ADObjectId) [Remove-Mailbox], Recipient TaskException + FullyQualifiedErrorId : 56206E20,Microsoft.Exchange.Management.RecipientTasks.RemoveMailbox


Solution:
Disable-Mailbox -Arbitration "System*" -DisableLastArbitrationMailboxAllowed


Disable-Mailbox -Arbitration "Fede*" -DisableLastArbitrationMailboxAllowed
Then, you can uninstall the exchange 2010.

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