TNT1-101. Microsoft Exchange Server 2003 Disaster Recovery Michael J. Murphy TechNet Presenter [email protected].

TNT1-101

Microsoft Exchange Server 2003 Disaster Recovery

Michael J. Murphy

TechNet Presenter

[email protected]

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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