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Page 1: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced
Page 2: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Kanika [email protected] Exchange Program Manager Microsoft Corp.

Modern Public Folders Overview, Migration & Microsoft Office 365

Siegfried [email protected], Principal ConsultantXIOPIA Germany

DMI310

Page 3: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Agenda• What are modern public folders?• How to deploy?• What’s new?• What are the limits?• What’s next with modern public folders?• What to keep in mind for migration?• How do you migrate?

Page 4: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Kanika [email protected] Exchange Program Manager Microsoft Corp.

Modern Public Folders Overview, Migration & Microsoft Office 365

Siegfried [email protected], Principal ConsultantXIOPIA Germany

Page 5: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Public Folders SurveyShare your public folders scenarios with Exchange product group:

http://aka.ms/pfsurvey

Page 6: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Interactive sessions on Public Folders What are your public folder scenarios?

When: Monday, 6 - 7pm

Where: Room 5A

Experts Unplugged: Public Folders and Site Mailboxes

When: Tuesday, 9 – 10:15am

Where: MR 18d

Session code: USX.UN.303

Page 7: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Architecture

Page 8: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Why?

Public folders in O365

High availability, data redundancy, and low cost storage thru DAGs

Multi-master replication simplified and replaced by single-master replication of folder hierarchy

Page 9: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

What changed?

No change to end user experience

Public Folder databases replaced by mailboxes

Public folder mailboxes are stored in regular mailbox databases

Each public folder mailbox includes the complete public folder hierarchy

Single writable copy of the hierarchy

Page 10: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Modern Public Folders Architecture

Architecture• Public folders are based on the

mailbox architecture• Hierarchy is stored in all public

folder mailboxes• Content can be broken up and

placed across multiple mailboxes• Similar administrative features• Public Folder permission

management in RBAC

Red FolderGreen Folder

CAS 2013

Blue FolderPink Folder Yellow Folder

Publiclogon

Publiclogon

Public Logon

Hierarchy Hierarchy Hierarchy

Secondary PF Mailbox 1

Primary PF Mailbox

Secondary PF Mailbox 2

Page 11: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Public Folder Hierarchy Synchronization

CAS 2013

Hierarchy Hierarchy Hierarchy

Secondary PF Mailbox 1

Primary PF Mailbox

Secondary PF Mailbox 2

Folder1Folder2Folder1Folder1

1. Client connects to a PF mailbox

2. Client creates Folder2

3. Create request is proxied via the primary PF mailbox

4. PF hierarchy is updated on all PF mailboxes • Within 15 mins

where users are connected

• Within 24 hours where no users are connected

Folder2

1

23

4

Folder2

Page 12: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Legacy vs. Modern Public FoldersLegacy Public Folders Modern Public Folders

Content storage Public Folder database Public Folder mailbox

Public Folder content replication Can be replicated between databases

No replication

High availability PF replication DAG

PF Hierarchy storage One per PF database, multi-master

Per PF mailbox, one master only

PF Hierarchy synchronization Based on e-mail Direct mailbox sync

Search Items only Items and attachments (full-text)

Public Folder Client permissions Access Control Lists (ACLs) Access Control Lists (ACLs)

Admin Platform PF Management Console + EMS EAC + EMS

Page 13: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Cross-premise & cross-forest access:E2013 E2013, E2013 E2010, E2013 E2007

Automated Storage Management for O365 customers

EAC UI for admin tasks

Full text search

Public Folder and Mailbox restore

OWA access for Public Folders

What’

s new

?Migration support from E2010 and E2007

Page 14: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Support

ed v

ers

ions

Clients- Outlook 2010, 2007, Office 365 Pro Plus (Outlook 2013)

- OWA 2013 (mail & post type folders)

Exchange Server- E2013 users can access E2013 / E2010 / E2007 Public Folders- E2007/E2010 users cannot access E2013 Public Folders, so

migrate Public Folder users before Public Folder data

Migration support- Cutover migration from E2010 and E2007

- Same forest and cross-premise

Page 15: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Deploying modern public folders Create a mailbox in a DAG• New-Mailbox -PublicFolder

Users create folders and messages• Users grow• Create more mailboxes! (New-

Mailbox -PublicFolder)• Hierarchy is copied

automatically

Users create more folders and messages• Mailbox grows. Split it!• Split-PublicFolderMailbox.ps1

Hierarchy connectionContent connection

Page 16: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Public Folder storage at no additional cost! 5 TB (100 PF mailboxes with 50 GB quota each)

Microsoft manages PF mailboxes Customers migrate to service or create the first mailbox Microsoft manages storage from there on

Cross-premise access Exchange Online users can still access on-premises Public Folders Exchange 2013 on-premises users can access Public Folders in

Exchange Online

Tenant admin can do folder management in EAC

Exchange Online Public Folders

Page 17: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Public folder limits

Supported limits for Exchange Online & on-premises• Max total public folder count of 10,000• Max public folder mailbox count of 100• Max users per mailbox count 2,000• Max number of messages per folder 1M• Max folder depth of 300

Page 18: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Public folder investment areasScaleInvest on increasing limitsHierarchy sync performance optimizations

Migrations improvementsCross-forest migrations for legacy public folders Reliability and speed

Client connectivityAccess for Outlook for Mac clients to access legacy PFsCalendar and contact folder support in OWA

Other areasAuto-split infrastructure

Page 19: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Backup and restore of Public FoldersSupported restore scenarios- Deleted secondary mailbox- Disconnected mailbox- Deleted folder- Deleted item

Protecting your Primary mailbox- Cmdlet deletion disallowed if secondary mailboxes present- DAG usage recommended for on premises customers

Page 20: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Public Folder Migration and Coexistence

Page 21: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

• Make sure source is running Exchange 2010 SP3+ or Exchange 2007 RU10+

• Check that replication between source public folder databases is healthy

• All Public Folders cut over to Exchange 2013 together• There will be a short downtime while the migration is

finalized• Once migration completes, everyone switches at the same

time• Admin can choose to switch some users first for validation

Before beginning to migrate…

Page 22: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Mailbox Replication Service

Migration processPF

DB

1PF

DB

2PF

DB

3Analyze• Export-PublicFolderStatistics.ps1• PublicFolderToMailboxMapGenerator.ps1

Provision public folder mailboxes• New-Mailbox -PublicFolder -HoldForMigration:

$true -IsExcludedFromServingHierarchy:$true

Begin migration• New-PublicFolderMigrationRequest -

SourceDatabase –CSVData• Hierarchy copying• Content copying• Auto suspend Public Folder migration request

Finalize Migration Request• Lockout users: Set-OrganizationConfig

-PublicFoldersLockedForMigration:$true• Allow for Public Folder replication on source• Set-PublicFolderMigrationRequest

-PreventCompletion:$false• Resume-PublicFolderMigrationRequest• Copies final hierarchy and content changes• Unlocks destination

Validate and open up for all• Set-Mailbox -PublicFolder -

IsExcludedFromServingHierarchy:$false• Set-Mailbox –DefaultPublicFolderMailbox

(optional)• Set-OrganizationConfig -

PublicFolderMigrationComplete:$true

Page 23: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

What’s different when migrating to Exchange Online?• Add Accepted Domain + Configure routing

to Exchange Online for mail-enabled Public Folders

• Run export+import scripts for mail-enabled folders

• Run New-PublicFolderMigrationRequest with the following additional parameters:

- OutlookAnywhereHostname: OA external host name- RemoteCredential: Public Folder Admin with access to all folders- RemoteMailboxLegacyDN: LegacyExchangeDN of PF Admin- RemoteMailboxServerLegacyDN: ExchangeLegacyDN of Public Folder server- Authentication: Basic or NTLM, depending on your OA authentication

Page 24: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Migrating to Modern Public Folders

demo

Page 25: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

• Exchange Online Mailboxes can access Legacy Public Folders• Requires DirSync• Supports Exchange 2007, 2010 and 2013

• Configuring Coexistence1. CAS role required on Public Folder servers (Exchange 2010 only)2. Create empty mailbox DB on Public Folder servers3. Create proxy mailbox in empty DB4. Set RPCClientAccessServer for each empty DB5. If needed: Run Export-/Import-MailPublicFoldersForMigration.ps1 scripts6. Configure Exchange Online to access on-premises Public Folders:

Set-OrganizationConfig -PublicFoldersEnabled Remote –RemotePublicFolderMailboxes ProxyMbx1, ProxyMbx2…

• Verify functionality using Outlook

Public Folder coexistence with O365

Page 26: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Migration guidelines• Start cleanup of existing Public Folders and

introduce alternatives • Reduce PF replicas where possible• Start to migrate all mailboxes to Exchange

2013 first, your Public Folders stay where they are today

• Start Public Folder migration sync(s)• When all Mailboxes are migrated, define a

weekend or more to lock-down the existing Public Folder structure

• Do a final delta-sync• Switch PF structure to Modern Public Folders

Page 27: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Modern Public Folder Planning Aspects• Does it make sense to migrate to E2013 public

folders?• Reduce content as much as possible• How many Public Folder mailboxes do you

need? Remember, minimum one mailbox per 2,000 users

• Where do you place the Public Folder mailboxes? Place the primary PF mailbox to a database that is member of a DAG!

Page 28: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Key takeaways• New mailbox based architecture• Single writable copy of hierarchy, multiple

read copies• Public folders in O365 for the first time!• O365 customers get free public folder

storage• Use public folders for announcements and

messaging based archival• Migrate users before public folders• Prune hierarchy before migration• Cut over migration from legacy public folders

Page 29: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

Interactive sessions What are your public folder scenarios?

When: Monday, 6 - 7pm

Where: Room 5A

Experts Unplugged: Public Folders and Site Mailboxes

When: Tuesday, 9-10:15am

Where: MR 18d

Session code: USX.UN.303

Page 30: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

TechNet linksPublic Folder Limits: On premises PF limits, O365 PF limitsMigrate Public Folders to E2013 From Previous Versions (same forest):

http://technet.microsoft.com/en-us/library/jj150486(v=exchg.150).aspx Migrate Legacy Public Folders to Exchange Online (cross-premise):

http://technet.microsoft.com/en-us/library/jj983799(v=exchg.150).aspx Configure Legacy on-premises Public Folders for a Hybrid Deployment:

http://technet.microsoft.com/en-us/library/dn249373(v=exchg.150).aspx Hybrid Configuration scripts: http://www.microsoft.com/en-us/download/details.aspx?id=38408

EHLO Blogshttp://blogs.technet.com/b/exchange/archive/2013/05/02/public-folders-and-exchange-online.aspx

http://blogs.technet.com/b/exchange/archive/2012/11/08/public-folders-in-the-new-office.aspx

Related Content

Page 31: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

© 2014 Microsoft Corporation. All rights reserved. Microsoft, Windows and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

Kanika [email protected]

Exchange Program Manager

Siegfried [email protected], Principal ConsultantXIOPIA Germany SigiJ

Thank you for your attention!

Don’t forget your evaluations!

Page 32: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

1. Go to the Pre-Release Programs Booth

2. Tell us about your Office 365 environment/or on premises plans

3. Get selected to be in a program

4. Try new features first and give us feedback!

Start now at:http://prereleaseprograms-public.sharepoint.com/

Pre-Release Programs TeamBe first in line!

Page 33: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced
Page 34: Public folders in O365 High availability, data redundancy, and low cost storage thru DAGs Multi-master replication simplified and replaced

© 2014 Microsoft Corporation. All rights reserved. Microsoft, Windows and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.