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    • EDB Recovery and MigrationRecover EDB to PST, EDB to Office 365 and Exchange NO Duplicate Migration
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    • MBOX Export and MigrationExport MBOX to PST, MBOX to Office 365 and Exchange Migration
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    Exchange and Office 365 Migration
    • Exchange Server MigrationMigrate Exchange 2007, 2010, 2013, 2016, 2019 to Office 365 tenants. Also, migrate between Exchange servers and PST
    • Office 365 MigrationMigrate Source Office 365 tenants to Destination Office 365 tenants. Also, migrate to Exchange Server and PST
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Blog » Office 365 Migration

The mailbox database is temporarily unavailable

The mailbox database is temporarily unavailable

Resolution:

This error message denotes that the mailbox database is unavailable due to it being offline, corrupt, shutting down, or other reasons. Verify that the database where the mailbox is stored is up and running.

Note: This issue is typically momentary when an Office 365 endpoint is reporting it. Depending on the tenant's user count, wait for a few minutes after receiving this problem before trying again.



Related topics:

  • How to switch mailboxes to Office 365 in a Hybrid environment?
  • How to manage Office 365 mailboxes in a Hybrid environment?
  • Post Migration activities for different source and target servers
  • How to verify or edit 'User Principal Name (UPN)'?
  • Public Folder Errors
  • Troubleshooting Public Folder Migration
  • ErrorNoPublicFolderReplicaAvailable
  • Resolve ​​'Access Denied' error for Public Folder migration
  • How to troubleshoot the quota exceeded issue with public folder migration?
  • Office 365 Migration Pricing
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