exchange server 2007 database oluştururken alınan hata

yeni bir mail databese oluşturmak ıstıyorum ama asağıdakı hatayı alıyorum nedendır sızce  mounted olmuyor

 

 

 

Summary: 2 item(s). 1 succeeded, 1 failed.

 

 Elapsed time: 00:00:01

New yeni
Completed

Exchange Management Shell command completed:
new-mailboxdatabase -StorageGroup 'LONDON\irem' -Name 'yeni' -EdbFilePath 'C:\Program Files\Microsoft\Exchange Server\Mailbox\irem\yeni.edb'

Elapsed Time: 00:00:00

Mount yeni
Failed

Error:
Exchange is unable to mount the database that you specified. Specified database: LONDON\irem\yeni; Error code: MapiExceptionSystemAttendantUnavailable: Unable to mount database. (hr=0x80004005, ec=2430)
.

Exchange Management Shell command attempted:
mount-database -Identity 'CN=yeni,CN=irem,CN=InformationStore,CN=LONDON,CN=Servers,CN=Exchange Administrative Group (FYDIBOHF23SPDLT),CN=Administrative Groups,CN=First Organization,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=xx,DC=com'

Elapsed Time: 00:00:01

kullanıcay mailbox oluturmak isteiğmde bu haatayı alıyor bırde

Summary: 1 item(s). 0 succeeded, 1 failed.
Elapsed time: 00:00:00

can
Failed

Error:
An Exchange 2007 server on which an address list service is active cannot be found.

Exchange Management Shell command attempted:
Enable-Mailbox -Identity 'xx.com/ET SUBE/can' -Alias 'can' -Database 'LONDON\First Storage Group\Mailbox Database'

Elapsed Time: 00:00:00