Exchange Deletes default database error

System: Windows Server R2

Environment: Exchange SP1

Domain: Windows Server 2008R2

I thought so. The Exchange 2010 System Mailbox Database Removal method is as follows:

1. Migrate ordinary users and migrate all users to the new database.

Get-mailbox-database "Mailbox Database name" | New-moverequest-targetdatabase Target Mailbox Database name

2. Migrating system Arbitration mailbox

Get-mailbox-database "Mailbox database name" –arbitration | New-moverequest-targetdatabase Target Database name

3. Delete the default mailbox database

Open emc→ Organization settings → mailbox (right click Delete)

4. Delete edb data files

In fact, this is the case :

The mailbox database cannot be deleted after all mailboxes have been migrated, including 3 arbitration mailboxes.

The system error is as follows:

an import request that has one or more activities is connected to the mailbox database. The delete operation can continue only if these active connections are cleared .

Erro: "This mailbox database was associated with one or more active Mailboximport requests. To get a list of all Mailboximport requests associated with this database ... "

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After chatting with the administrator, combined with system error notification. Preliminary judgment problem Reason: after the end user imports the local PST file through Outlook, the system retains the import request and still has an incomplete import request .

Troubleshooting steps:

To query system import/Export records, this account is required: a member of the system import/export group.

1, the default is no this group, we need to create this import export group , the member is: administrator

The specific commands are as follows:

New-managementroleassignment-name "Import Export_domain Admins"-User "Administrator"-role "Mailbox Import E Xport

2. query Import/Export request :

Get-mailboximportrequest | Ft-au

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3. Clear all Import/export requests (you can see that there are 2 types of import requests: Completed, Failed)

Get-mailboximportrequest-status Completed | Remove-mailboximportrequest (clears the completed import request)

Get-mailboximportrequest-status Failed | Remove-mailboximportrequest (purge failed import requests)

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4. Delete the default mailbox database

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At this point, the problem is resolved. Home for dinner ~ ~ ~

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Exchange Deletes default database error