Topic Of This Hour

Topic Of This HourExchange 2013: Database Availability Group

Exchange 2013: Modern Public Folders

Dec 18, 2013

Timing for the different Geography:5:00 AM to 6:00 AM - Dec 19 – Melbourne (AEST)Time2:00 AM to 3:00 AM Singapore time11:30 - 12:30 PM India Time7:00 - 8:00 PM Europe Time6:00 - 7:00 PM UK Time1:00 - 2:00 PM EST12:00 - 1:00 PM CST10:00 - 11:00 AM PST

Sept 26, 2013

1:00 PM EST / 12:00 PM CST / 10:00 AM PST / 7:00 PM CET / 6:00 PM UTC/10:30 PM IST


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About SpeakerExchange 2013: Database Availability Group

Sept 26, 2013

1:00 PM EST / 12:00 PM CST / 10:00 AM PST / 7:00 PM CET / 6:00 PM UTC/10:30 PM IST bby


Prabhat NigamMicrosoft MVP: Exchange ServerSince: 2013MCSE: Messaging 2013, MCITP 2010/2007Ex – Microsoft Exchange PSS EmployeeBlog: MSExchangeguru.comSpeaker @ Netlearning & Microsoft

Prabhat NigamMicrosoft MVP: Exchange ServerSince: 2013MCSE: Messaging 2013, MCITP 2010/2007Ex – Microsoft Exchange PSS EmployeeBlog: MSExchangeguru.com - 3rd Cool Community as per Microsoft Team Speaker @ NetCom Learning, NYMeetup & Microsoft


AgendaExchange 2013: Database Availability Group

• Modern Public Folders Overview• Modern Public Folders Architecture• Legacy Public Folders vs Modern Public Folders• Public Folders in Co-existence• Migration Requirement and Assumptions• Modern Public Folders Migration Steps• Demo – Public Folders Migration• Roll Back to Legacy Exchange• Legacy Public Folder Database Removal• Summary

Sept 26, 2013




Modern Public Folders Overview

• Purpose• Usage• Requirement• Primary users• Other options


Modern Public Folders Architecture

HierarchyMBX1 PF- Primary

PF1PF3

Exchange 2013 Client Access Server

HierarchyMBX2 – PF

PF2PF4

1. Public folders are mailbox and not Database

2. All public folder mailboxes stores Hierarchy with only one writable

3. Content can be shared across multiple Public Folder mailboxes

4. Administration will be same as mailboxes and accept same cmds

5. RBAC based permission management


Legacy Public Folders vs Modern Public Folders

Components Legacy Public Folders Modern Public FoldersData Storage Public Folder Databases Public Folder Mailboxes Per Server One public folder database per server Multiple public folder mailboxes per

mailbox databaseFolders Multiple folders per database One to many folders per mailboxCmdlet *-PublicFolderDatabase *-MailboxHigh availability Public Folder Replicas Database Availability GroupsHierarchy storage One Public Folder Hierarchy per at

DatabaseOnly One writable hierarchy and other read-only hierarchy mailbox

Hierarchy synchronization

Multi-master replication for hierarchy, Email based sync

Hierarchy kept in sync using same technology Outlook uses to keep in sync with Exchange, clients request updates whenever available. Mailbox Sync

Content replication Replicated between databases Replication is impossibleSearch Items only Items and attachments Permission management

ACLs RBAC

Administration PF Management Console + EMS EAC + EMSOutlook client Any Outlook version Outlook 2007 - 2013OWA OWA 2007, OWA 2010 OWA 2013


Public Folders in Co-existence

• Complete all mailboxes migration before migrating Public Folders to the Exchange 2013• Exchange 2013 users can access Exchange 2010 or 2007 Public

Folders• Continue using Legacy Public Folders until all mailboxes are

migrated• Exchange 2010 and 2007 users can’t access Exchange 2013

Public Folders.


Migration Requirements and Assumptions

• Exchange 2010 is Exchange 2010 SP3 or later• Exchange 2007 is Exchange 2007 SP3 RU10 or later• Login id has Organization Management and Recipient Management Permissions• All the mailboxes have been moved to Exchange 2013• Public Folder name should not have \• Ensure we announce downtime or do this over the weekend• Perform a backup of your public folder databases• No PF co-existence Possible• Exchange 2013 Public Folders will not be accessible from legacy mailbox• Migration will be running at the speed of 2-3GB per hour


Legacy to Modern Public Folders Migration StepsExchange 2013 Legacy

1. Snapshot of the current Public Folders• Get-PublicFolder -Recurse | Export-CSV C:\PFMigration\Ex2010_PFStructure.csv• Get-PublicFolder -Recurse | Get-PublicFolderStatistics | Export-CSV C:\PFMigration\Ex2010_PFStatistics.csv• Get-PublicFolder -GetChildren | Get-PublicFolderClientPermission | Select-Object Identity,User -ExpandProperty AccessRights | Export-CSV C:\

PFMigration\Ex2010_PFPerms.csv2. Preparation on Legacy Exchange server

• Set-OrganizationConfig -PublicFoldersLockedforMigration:$false -PublicFolderMigrationComplete:$false3. Preparation on Exchange 2013 server: Delete any existing PF

• Get-PublicFolderMigrationRequest | Remove-PublicFolderMigrationRequest -Confirm:$false• Get-MailPublicFolder | where $_.EntryId -ne $null | Disable-MailPublicFolder -Confirm:$false • Get-PublicFolder -GetChildren \ | Remove-PublicFolder -Recurse -Confirm:$false • Get-Mailbox -PublicFolder |Remove-Mailbox -PublicFolder -Confirm:$false

4. Export public folder hierarchy from source into CSV file on Legacy Exchange• .\Export-PublicFolderStatistics.ps1 \\servername\path\filename.csv• .\PublicFolderToMailboxMapGenerator.ps1 MailboxSize ImportFilePAth ExportFilePath

5. Create public folder mailboxes in Exchange 2013• New-Mailbox -PublicFolder MailboxName -HoldForMigration:$true –Database “2013DBName” Create all as mentioned in the Mapgen file

6. Migration Request creation• "New-PublicFolderMigrationRequest -SourceDatabase (Get-PublicFolderDatabase -Server <Source server name>) -CSVData (Get-Content <Folder

to mailbox map path> -Encoding Byte)“7. Lock Legacy Exchange for final migration

• Set-OrganizationConfig –PublicFoldersLockedForMigration:$true8. Complete the suspended migration by running below 2 cmdlet:

• Set-PublicFolderMigrationRequest –Identity \PublicFolderMigration -PreventCompletion:$false• Resume-PublicFolderMigrationRequest –Identity \PublicFolderMigration

Demo – Public Folders Migration


Roll Back to Legacy Exchange

• Roll Back option is available.• Data Loss – Exchange 2013 Changes• Follow the below cmds to roll back

1. To unlock legacy Exchange public folders, run the following command on the legacy Exchange server.Set-OrganizationConfig -PublicFoldersLockedForMigration:$False

2. To set the PublicFolderMigrationComplete flag to $false, run the following command on the legacy Exchange server:Set-OrganizationConfig -PublicFolderMigrationComplete:$False

3. If Public Folders will be present in exchange 2013 then users will not go to legacy Exchange. To remove the public folders from Exchange 2013 run the below cmdlets

Get-PublicFolderMigrationRequest | Remove-PublicFolderMigrationRequest -Confirm:$falseGet-MailPublicFolder | Disable-MailPublicFolder -Confirm:$falseGet-PublicFolder -GetChildren \ | Remove-PublicFolder -Recurse -Confirm:$false Get-Mailbox -PublicFolder |Remove-Mailbox -PublicFolder -Confirm:$false

4. Point Mailbox Database to Legacy Public Folders• Get-MailboxDatabase | Set-MailboxDatabase -PublicFolderDatabase "Name of the PF Database"


Legacy Public Folder Database Removal

• Legacy Public Folder Database should be backed up before removal for a RollBack• Remove all the Replicas of the Public Folder Database• Remove all Public Folders from Legacy Public Folder Database• Removing Public Folder Database with Public Folders in not possible• Run the below cmd on Legacy Exchange management shell

Get-PublicFolderDatabase -Identity “Legacy PF DB Name” | Remove-PublicFolderDatabase


Summary• Modern Public Folder Architecture• Modern Public Folder Comparison with Legacy• Modern Public Folder in Co-existence• Modern Public Folders Migration requirements• Modern Public Folders Migration Steps and Demo• Roll Back to Legacy Public Folders Database• Legacy Public Folder Database Removal


Blogs Post on Public Folders

• Modern Public Folders Architecture http://msexchangeguru.com/2013/05/31/e2013pfarchitecture/• Modern Public Folders Migration

http://msexchangeguru.com/2013/04/18/exchange2013-public-folders/


http://msexchangeguru.com/2013/05/31/e2013pfarchitecture/

http://msexchangeguru.com/2013/05/31/e2013pfarchitecture/



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