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We are running a 2011 sbs server. The internet cut completely off and after it finally came back on we started getting a certificate error in outlook on every client. 
 
After tracking it down we found the problem to be a corrupt Mailbox Database. Every time we try and mount the database we get the following error. 
 
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Microsoft Exchange Error 
-------------------------------------------------------- 
Failed to mount database 'Mailbox Database'. 
 
Mailbox Database 
Failed 
Error: 
Couldn't mount the database that you specified. Specified database: Mailbox Database; Error code: An Active Manager operation failed. Error: The database action failed. Error: Operation failed with message: MapiExceptionJetErrorRequiredLogFilesMissing: Unable to mount database. (hr=0x80004005, ec=-586) 
 
Any thoughts and suggestions would be greatly appreciated.
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We are running a 2011 sbs server. The internet cut completely off and after it finally came back on we started getting a certificate error in outlook on every client.

After tracking it down we found the problem to be a corrupt Mailbox Database. Every time we try and mount the database we get the following error.

--------------------------------------------------------
Microsoft Exchange Error
--------------------------------------------------------
Failed to mount database 'Mailbox Database'.

Mailbox Database
Failed
Error:
Couldn't mount the database that you specified. Specified database: Mailbox Database; Error code: An Active Manager operation failed. Error: The database action failed. Error: Operation failed with message: MapiExceptionJetErrorRequiredLogFilesMissing: Unable to mount database. (hr=0x80004005, ec=-586)

Any thoughts and suggestions would be greatly appreciated.

Can't mount MailBox datadase

The Microsoft Legacy Operating System topic includes legacy versions of Microsoft operating systems prior to Windows 2000: All versions of MS-DOS and other versions developed for specific manufacturers and Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions, and Windows Mobile.

Microsoft Legacy OS

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Databases

Security is the protection of information systems from theft or damage to the hardware, the software, and the information on them, as well as from disruption or misdirection of the services they provide. The main goal of security is protecting assets, and an asset is anything of value and worthy of protection.  Information Security is a discipline of protecting information assets from threats through safeguards to achieve the objectives of confidentiality, integrity, and availability or CIA for short. On the other hand, disclosure, alteration, and disruption (DAD) compromise the security objectives.