tnt1-101. microsoft exchange server 2003 disaster recovery michael j. murphy technet presenter...
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TNT1-101
Microsoft Exchange Server 2003 Disaster Recovery
Michael J. Murphy
TechNet Presenter
Mjmurphy@microsoft.com
Prerequisite Knowledge
• Experience supporting Windows Servers• Experience supporting Microsoft Exchange
Server 2000 or 2003• Experience supporting E-Mail clients
Level 200Level 200
Agenda
• Backup Best Practices • Mailbox Recovery• Recovering Stores
Backup Best PracticesBackup Applications
• Windows Backup– Integrates with Windows Server and Exchange– Accesses Information Store directly
• Shadow Copy– Speeds up backup– New in Windows Server 2003
• Third party backup programs
Backup Best PracticesImplementing Backups
• Design and schedule backups– Service level agreement– Tape rotation
• Leave Circular Logging disabled• Log file location
– Keep log files and databases on separate drives
Backup Best PracticesTypes of Backup
Type Recovery Backup
Full One backup set Fast
LargeSlow
Differential Last full backup + latest differentialSlower
SmallerFaster
Incremental Last full backup + all subsequent incremental setsSlowest
SmallestFastest
Backup Best Practices Backing up the Metabase
• Exchange requires IIS to function – Backup of IIS configuration is critical
• Backup with IIS Manager console– Within IIS MMC
• Backup with iisback.vbs script– Csript \%SystemRoot%\system32\iisback.vbs
http://support.microsoft.com/default.aspx?scid=kb;en-us;241635&Product=exch2003
Backup Best Practices Planning Best Practices
• Write out and follow backup procedure– What to backup and how often
• Keep alternate hardware on hand• Run a trial restoration periodically• Backup Active Directory
Backup Best PracticesDesign Best Practices
• Store log files and Information Store on separate physical drives.
• Keep Information Store volume under 50% capacity– Speeds restore process– Copy damaged database before restore
• Increase message and mailbox retention
Backup Best PracticesBackup Best Practices
Backing up Exchange with Windows BackupBacking up Exchange with Windows Backup
Backing up the metabaseBacking up the metabase
Other preparations (item retention settings)Other preparations (item retention settings)
demonstrationdemonstration
Agenda
• Backup Best Practices • Mailbox Recovery• Recovering Stores
Mailbox RecoveryDeleted Mailbox Retention
• Mailbox Recovery Center– New in Exchange 2003– Quickly recovers deleted mailboxes
• “Retain until backed up” setting• Time limit set in System Manager
– As resources allow
Mailbox RecoveryRecovering Deleted Items
• Deleted Items folder• Recovery Storage Group• PST/OST• Alternate Server Recovery• Exmerge• Brick Level Backups
Mailbox RecoveryRecovery Storage Group• Recovers mailboxes, mailbox stores, and items (not
public folders)• Prior Versions: Alternate Server Recovery• No downtime• No additional hardware• Differs from Storage Group
– MAPI the only protocol– ExMerge the only access to contents– Databases do not mount automatically
Active DirectoryActive Directory
UsersUsers
User 1User 1
Exchange ServerExchange Server
Recovery Storage GroupRecovery Storage Group
Recovery DatabaseRecovery Database
Recovery MailboxRecovery Mailbox
Storage groupStorage groupMailbox databaseMailbox database
MailboxMailbox
Mailbox RecoveryRSG and Active Directory
GUID AttributeGUID Attribute
GUID AttributeGUID Attribute
msExchMailbox msExchMailbox GUID AttributeGUID Attribute
Mailbox RecoveryPST/OST Restore Method
• To recover an entire mailbox• Laptop or Client computer not yet
synchronized to Exchange server• Create a PST of the mailbox named
“username.pst”• Recreate the mailbox on the server• Use Exmerge
Mailbox RecoveryExmerge
• Import/Export tool for Exchange stores• Updated for Exchange 2003• Download separately from
http://microsoft.com/downloads• User rights
Mailbox RecoveryAlternate Server Recovery• Mailbox no longer exists in mailbox store• Deleted mailbox retention period has passed• Nearly identical server hardware in a different AD
forest• Restore from a backup, then use ExMerge to
create .pst file• Recreate the mailbox on the original server• Use Exmerge to import
Mailbox RecoveryBrick Level Backups
• Allows for direct backup and recovery of individual mailboxes
• Third party applications• Slower backup/recovery• Bloats backup and mailbox store
Agenda
• Backup Best Practices • Mailbox Recovery• Recovering Stores
Recovering Stores Options
• Recovery Storage Group– Exchange 2000 SP3 or later– Dial-tone method
• Alternate Server Recovery– Public Folders– Damaged hardware– Separate Active Directory forest
• Transaction Logs
Recovering StoresDial-Tone Method
• Purpose: to minimize user downtime when recovering from a backup
• Example situation: Corrupted Mailbox Store• Exchange features used
– Recovery Storage Group– Exmerge 2003– Mailbox Store re-creation
Recovering StoresUsing Dial-Tone Method
• Recent backup– Incremental or differential plus full
• Cumulative transaction log files– Improve recovery quality
• Recovery Storage Group
RSGRSGDial-Tone Dial-Tone
DatabaseDatabase
Recovering StoresDial-Tone Method: 4 Steps
ExMergeExMergeExMergeExMerge
Recovering items and MailboxesRecovering items and Mailboxes
•Mailbox Recovery CenterMailbox Recovery Center•Restoring items from Recovery Storage Restoring items from Recovery Storage GroupGroup
demonstrationdemonstration
Session Summary
• Preparing for Disaster:– Use best practices for backup
• Use the Recovery Storage Group– To Recover Mailboxes– To Recover Stores
• Use Exmerge to recover data from recovered servers or PST/OSTs
For More Information…
• Main TechNet Web site at
www.microsoft.com/technet• Additional resources to support this Session page can be
found at
www.microsoft.com/technet/tnt1-101www.microsoft.com/technet/tnt1-101
For More Information…
• Exchange Web Site– http://www.microsoft.com/exchange
• Windows Server 2003 Web Site– http://support.microsoft.com/default.aspx?scid=fh;
EN-US;winsvr2003
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