Exchange 2013 Database and Mailbox sizing configuration feedback?

Hello,
I am in the process of deploying Exchange 2013 in our environment, it will co-exist with Exchange 2010 until we move everyone over to the new server.
My question is regards to the disk storage design, we have a SAN that Exchange will share with the rest of our Virtual Machines. I plan to have 20 live databases and 20 archive databases so I can balance out mailboxes per database so that each db is roughly
100GB in size.
The goal is is to keep the size down so that any database specific maintenance can finish quicker and if I ever had to deal with db corruption it is faster to restore, backup, etc.
My question is, is there a lot of overhead I will be adding onto the Exchange server by having 40 databases mounted?
Currently 300 users, 3.5TB in exchange databases between live and archive mailboxes (no mailbox caps), with 40 databases (20/20) it spreads out nicely with roughly 15 users per db, and db size is roughly 100GB.
My concern is having 40 databases mounted on a single EXCH2013 multi-role server? We have no DAG, etc.
The machine is a 4vCPU/32GB and the disks are on a Compellent tiered SAN shared among other VMs.
Thanks.

Hi,
It depends on various things. I would suggest you to start with Server Role Requirement Calculator to see your hardware is sufficient to handle the load or not...
http://blogs.technet.com/b/exchange/archive/2013/05/14/released-exchange-2013-server-role-requirements-calculator.aspx
http://gallery.technet.microsoft.com/Exchange-2013-Server-Role-f8a61780
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Similar Messages

2 Exchange 2013 Cas and mailbox on both in defferant ad sites with multiple main domains

Hi
I have 2 Exchange servers in a single AD forest. Mail1 and mail2
2X 2012 R2 Dc's
There are 2 AD sites Site 1 and site 2
Site 1 = DC1 and Mail 1
Site 2 = DC2 and Mail2
One exchange organisation
2 email external domains = domain1.com and domain2.com
2 wildcard certs *.domain1.com on mail1 and *.domain2.com on mail2
2 different Internet connections one for site 1 and other for site 2 and 2 external Ip address's
Requirements where to split the servers so that domain1.com users send form a different IP address than those of domain2.com. This has been done and works fine by simply setting a exchange connection cost of 100.
Domain1.com users live on mail1 MD1 and domain2.com users are on Mail2 MD2
I am facing an issue on how to connect outlook anywhere so that users in the 2 domains are connecting to their own exchange servers and outlook anywhere will work with autodiscover.
At the moment I have set the outlook provider to domain1.com and this work fine but outlook anywhere will not work for domain2.com
I have only come up with an idea to requester a 3rd mutual domain and then issue a SAN cert that would have all 3 domains in set the outlook provider to domain3.com it and then direct the outlook anywhere users to use the new domain to connect their outlook
anywhere clients with.
I don't think the client is going to go for this as he wants the names to be separate .
Any help would be appreciated

The EXPR provider is a global setting.
Since you are doing this
"2 wildcard certs *.domain1.com on mail1 and *.domain2.com on mail2"
Can you not get both onto the same cert? Though accessing a SAN entry on a cert will not work for clients older that Vista SP1.
Alternatively use a generic name. That is what hosting companies do. Dedicated hosting is not really multitenant before that comes up :)
Cheers,
Rhoderick
Microsoft Senior Exchange PFE
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Cannot Move Exchange 2013 Database "Object couldn't be found on" Error

Hello,
I am trying to move my exchange 2013 database to a different partition, when I enter the move-databasepath command, It says the operation couldn't be performed because object "databaseName" could not be found on "Southwestdc01"
My Exchange server name is SWPSExchange, I am in the exchange management shell on my exchange server, but it's as if it is looking for the database on my Active directory server. I have one DC, and an exchange server. Is there a way to specify
which server the database is on? If it would only look for the database on the SWPSExchange, it would work.
i verified the database name, the issue is when I run the move-database command, it is looking for the database on the wrong server.
Thanks for the help!

Here is all the info:
My Exchange 2013 server is SWPSExchange, My AD Server is Southwestdc01, I am logged into the exchange server management shell on SWPSExchange, below is what I get, as you can see it is trying to find the database on Southwestdc01 instead of SWPSExchange.
[PS] C:\Windows\system32>Get-MailboxDatabase
Name                           Server          Recovery
ReplicationType
Mailbox Database 1279379856    SWPSEXCHANGE    False           None
PS] C:\Windows\system32>Move-DatabasePath -Identity 1279379856 -EdbFilePath E:\ExchangeDatabase\1279379856.edb
The operation couldn't be performed because object '1279379856' couldn't be found on 'SOUTHWESTDC01.Southwest.local'.
    + CategoryInfo          : NotSpecified: (:) [Move-DatabasePath], ManagementObjectNotFoundException
    + FullyQualifiedErrorId : 3961D47F,Microsoft.Exchange.Management.SystemConfigurationTasks.MoveDatabasePath
    + PSComputerName        : swpsexchange.southwest.local

Exchange 2013 SP1 and CUCM 9.1.2 - Exch not recognizing called extension

I think I'm almost there in getting Exchange 2013 SP1 UM working with CUCM 9.1.2...I've got two issues at the moment that I need a little help with.
1) When I dial my VM pilot (6040) from a UM enabled extension it prompts to enter an extension. When I dial the same extension and let it ring to VM, Exchange picks up and says "the person you are trying to reach does not have a valid voice mail box
on our system".
2) This just started happening this afternoon, when I dial my VM pilot (6040) exch3 picks up as thats what I have my route pattern pointing to. If I enter the extension of a mailbox on exch2, I get stuck in a endless loop.
I've followed this post as a guide but it hasn't resolved my issue.
https://supportforums.cisco.com/discussion/11914031/exchange-2013-um-and-cucm-86
My Exchange environment looks like this:
Site 1:
exch1 - CAS/Mailbox, used for mainly utility type work, journal, dedicated SMTP flows etc
exch2 - CAS/Mailbox, part DAG13
exch3 - CAS/Mailbox, part of DAG13
Site 2:
exch2dr - CAS/Mailbox, part of DAG13
exch3dr - CAS/Mailbox, part of DAG13
DAG13 is stretched between two sites, there are no users at our DR site so CUCM is pointing to Site 1 for UM. Each site has an internet facing CAS-only server for OWA/EAS etc.
Any help is greatly appreciated. I'd love to get rid of Unity.
EDIT:
I just found this event in the event logs:
The Microsoft Exchange Unified Messaging service on the Mailbox server received a diverted call with ID "d51600-3a3140c5-9b8-c1414ac@EXCH3-IPADDR" for extension "4099" on UM dial plan "CUCM" from UM IP gateway "CUCM IP",
but no UM-enabled mailbox for the corresponding extension could be found. Please check the extension and make sure that the corresponding mailbox is enabled for UM and associated with the correct UM dial plan.

9.1.2 I think it is, we upgraded to avoid the known DNS bug
I cant see how to PM you either
The crux of it was outlined below with some tweaks
http://blogs.technet.com/b/canitpro/archive/2014/04/30/step-by-step-integration-between-exchange-2013-um-and-cisco-unified-communication-manager.aspx
As we have multiple combined role servers, our trunks are set up as follows:
1. 1 x CAS Trunk - contains all CAS Servers on port 5060
2. 4 x MBX Trunks - contains Maibox Server with ports 5062-5068
On top of that, we had to Allow "Redirecting Diversion Header Delivery - Inbound (and Outbound)" on the CAS Trunk but DISABLE it on the Mailbox Trunks
Also, make sure that you are using Telephone Extension Dial plans in Exchange 2013 (Despite them being unable to be associated with a 13 Server - EX13 answers for all calls anyway)
Lastly, the MS documentation is a little strange - it says that as your last step of UM migration, you should point your Call Manager to 2013 - I don't agree with that statement, EX13 routes calls back to 2010 UM Servers perfectly fine, so treat it the same
as any other CAS based service - point to 2013, and it will handle the rest

Cross-forest migration to Exchange 2013 SP1 and Outlook 2013 SP1

Hello! I have two forest: Exchange 2010 SP2 RU5 - resource forest and Exchange 2013 SP1 - account forest. I make cross-forest migration from resource forest (linked mailboxes with account forest) to forest with Exchange 2013 SP1.
I have moved mailbox from resource forest exchange 2010 to exchange 2013 sp1 forest.
Outlook 2010 connect to migrated mailbox without any problem, but outlook 2013 sp1 cannot connect to migrated mailbox.
Error look like - cannot find exchange server.
I created new mailbox in Exchange 2013 organization and can connect to it with outlook 2010 and outlook 2013 sp1.
Someone have the same problem with migrated mailbox? How to solve it?
Truly, Valery Tyurin

You can use New-MoveRequest to perform a cross-forest move. Here is a well post and step-wise explanation you can check for cross forest migration from exchange 2010 to exchange 2013(http://msexchangeguru.com/2013/11/03/e2013crossforestmigration/).
Moreover, you can try this utility (
http://www.exchangemigrationtool.com/ ) to accomplish this task.

Exchange 2013 migration and Lync server

hi guys,
i wanna upgrade my exchange 2010 to 2013 in our company.
but i faced with a question
will exchange migration has effect on Lync server an should i reinstall it again in our caompany or not?
plz help me
thanks guys

Hi,
you will need to config IM in OWA for Exchange 2013 server.As i can remember voice and everything else should be fine.
Here is a guide for enabling IM in OWA:
http://www.expta.com/2010/09/how-to-integrate-lync-server-2010-with.html
Just remember to point DNS to the New Exchange 2013 server and it should be fine.
Please mark as helpful if you find my contribution useful or as an answer if it does answer your question. That will encourage me - and others - to take time out to help you. Thank you! Off2work

We have a Exchange 2013 server and the Mailbox Database folder is filling up with .log files.

We are migrating from Exchange 2010 to Exchange 2013. We have installed the Exchange 2013 but it only has a couple of mailboxes on this server, all the mailboxes are still on the Exchange 2010 server.
I have run a Windows Backup of the Exchange 2013 but I am still seeing a ton a log files in the mailbox folder.
Also the database file is only about 1.1 GB but the backup is now 40 GB.
Is there something that can be done to truncate these logs and make the backup smaller?

Hi ,
1.Does the full backup completed successfully ?
2.what about the status for the below mentioned command ? Does the mailbox database headers updated with the latest time and date ?
Get-MailboxDatabase -Status | ft name,*full* -au
3.Just check the application event logs for the event id
2046 and that should state that the log truncation for the mailbox databases has been initiated or not.
4.Before initiating the backup just make the exchange writer is not on error.
vssadmin list writers
In case if it on error state ,please restart the Microsoft exchange replication service and check the exchange writers status again by using the above mentioned command.
Thanks & Regards S.Nithyanandham

How to Remove and Re-Attach Exchange 2013 Database?

A database is being copied from a location that is too small to external storage.
Due to management wishes to prevent administrative mistakes, a journal DB that we need to keep for compliance reasons needs to be removed from EAC access. I understand that the
Remove-MailboxDatabase command will accomplish this.
However, management also wants to be able to re-attach that database at a later date.
Can this database just be re-mounted, or is it necessary to create a NEW database and bring the mailbox info from the old DB to the new one?
Thank you.

Destroying/removing the fact that the Exchange Journal DB ever existed on the server is a drastic way to go if you still want to access the data in the future. However if you wanted to do that then you would recover the data via RDB method and you
can see more on that here
http://technet.microsoft.com/en-us/library/ee332351%28v=exchg.150%29.aspx
The only other methods to gain access to that EDB in the future would be to
1. Move it then dismount it so that its not taking up any resources and can also be backed up as a flat file. Then when needed just remount the DB, do you work and dismount again.
2. Or use a 3rd party utility like DigiScope that can open the offline EDB without needing to be on an Exchange server.
Search, Recover, & Extract Mailboxes, Folders, & Email Items from Offline Exchange Mailbox and Public Folder EDB's and Live Exchange Servers or Import/Migrate direct from Offline EDB to Any Production Exchange Server, even cross version i.e. 2003 -->
2007 --> 2010 --> 2013 with Lucid8's
DigiScope

Exchange 2013 database unplaned to active on another mailbox server

we have to four mailbox servers, two in primary site, two in dr site. it happens an unplaned failover issue, all of database are actived on mailbox server1, but some hours later, these database are unplaned to active on another mailbox server2, it also happens
in mailbox server2. that's why? after check eventlog, I found below:
AppLogEventID: 3169
AppLogEventMessage:
(Active Manager) Database MDB00 was successfully moved from shmbx01.ebaotech.com to SHMBX02.ebaotech.com. Move comment: Managed availability system failover initiated by Responder=OutlookRpcDeepTestFailover Component=Outlook.
also check server health, found OutlookRpcDeepTestMonitor is degraded, OutlookRpcSelfTestMonitor  is unhealty
Server State         Name
TargetResource                             HealthSetName    AlertValue ServerComponent
shmbx01 NotApplicable OutlookRpcSelfTestMonitor
Outlook.Protocol Unhealthy None
shmbx01 NotApplicable OutlookRpcDeepTestMonitor
Outlook.Protocol Degraded   None
shmbx01 NotApplicable PrivateWorkingSetWarningThresholdExceeded.m.e.rpcclientaccess.service microsoft.exchange.rpcclientaccess.service Outlook.Protocol Healthy    None
shmbx01 NotApplicable ProcessProcessorTimeErrorThresholdExceeded.m.e.rpcclientaccess.service microsoft.exchange.rpcclientaccess.service Outlook.Protocol Healthy    None
shmbx01 NotApplicable ExchangeCrashEventErrorThresholdExceeded.m.e.rpcclientaccess.service   microsoft.exchange.rpcclientaccess.service Outlook.Protocol Healthy    None
shmbx01 NotApplicable OutlookMapiHttpSelfTestMonitor
Outlook.Protocol Healthy    None
shmbx01 NotApplicable OutlookMapiHttpDeepTestMonitor
Outlook.Protocol Healthy    None
I don't know what causes this issue, and how can I resovle it to prevent the database unplaned failover, please help to look into it. thanks.

Hi,
Based on my knowledge, this issue can be caused by the following reasons:
1. Antivirus software. Please disable the Antivirus software to see if it works.
2. LmCompatibilityLevel. For Windows server 2008 R2 or Windows server 2012, this value should be 3. I suggest you modify the value to 3 on all of your Exchange 2013 servers to check the result.
2. Outlook responders. Please try to disable the Outlook responders to check the result.
Best regards,
Belinda
Belinda Ma
TechNet Community Support

Exchange 2013 - Public Folder Mailbox and Single Item Recovery

Hello,
I recently had a request to recover some messages that an ex-employee deleted from the "recover deleted items" folder in their public folder. Since this resides on a public folder mailbox and it does have the option for
"Single Item Recovery" to be enabled on the box (which I enabled not knowing if this really works or not), is there a way I can still recovery these items or do I have to go to a backup to obtain those messages. Since ExFolders does not work that
is not an option. I've seen commands to restore a public folder that was deleted but not items that were deleted directly from a public folder. I checked using MFCMAPI and I do see the dumper root and the public folder dumpster for each folder but it
looks to be only the "deletions" folder and don't see anything similar to a "purges" type folder. Any ideas or am I stuck recovering from backup? Thanks in advance!

So I think you are stuck and will need to restore the EDB to a Recovery Database to restore the items because when the end user purged the items from the "Recover Deleted Items" it removes them from the Recoverable Items/Deletions folder.
Check out this article
http://blogs.technet.com/b/exchange/archive/2013/08/23/recovering-public-folder-information-in-exchange-2013.aspx
I have not played with the recoverable items settings on the 2013 public folder enabled mailbox EDB but you might try checking out Litigation or In Place Hold to use as a safety mechanism moving forward. That said this will also increase the
DB size so consider all the options before implementing
Search, Recover, & Extract Mailboxes, Folders, & Email Items from Offline Exchange Mailbox and Public Folder EDB's and Live Exchange Servers or Import/Migrate direct from Offline EDB to Any Production Exchange Server, even cross version i.e. 2003 -->
2007 --> 2010 --> 2013 with Lucid8's
DigiScope

How to configure AD on windows 2012 server for Exchange 2013 internal and external email flow

Dear Experts,
I have to configure exchange 2013 on Windows server 2012 STD. Company has registered Static IP addresses and can get the MX record pointing to any of this Static IP.
The registered domain name is e.g. contoso.com.
a. What should I use as domain name on AD? contoso.com or contoso.local
b. Is it recommended to have two different servers for AD and Exchange?
c. What should be my connector settings for mail flow?
d. how can I set 2 email servers in company for load balancing?

Hi,
a, I suggest use contoso.com as domain name. It is convenient to add urls into our certificate for internal and external mail flow.
b, Recommended that installing AD
and Exchange Server on two separate
Servers. If Exchange Server downed unfortunately, it can prevent AD server from crushing at the same time.
c, Found some articles for your reference:
Configure Mail Flow and Client Access
http://technet.microsoft.com/en-us/library/jj218640(v=exchg.150).aspx
Configuring Outbound Mail Flow in Exchange Server 2013
http://exchangeserverpro.com/configuring-outbound-mail-flow-in-exchange-server-2013/
d, Load Balancing
http://technet.microsoft.com/en-us/library/jj898588(v=exchg.150).aspx
Hope it is helpful
Thanks
Mavis
Mavis Huang
TechNet Community Support

Exchange 2013 MP and DAG

Hi.
We got strange issue with Exchange 2013 MP. Some components in DAG are in state "Not monitoring". For example:
"Exchange 2013 Service Components" on DAG members not motitored:
Mailbox Count in organization is null:
And DAG object is in the "Not monitored" state too.
MP was installed as described in documentation (account, profile, etc.).
Proxy on DAG members enabled.
Any ideas how to troubleshoot this issue?
P.S. MP - 15.0.665.19, Exchange - CU6

Hi,
I would like to suggest you recheck Exchange 2013 Management Pack Pre-requisites and Considerations.
Before importing the Exchange 2013 MP into System Center Operations Manager, there are some pre-requisites that have to be met:
You have one of the following versions of System Center Operations Manager deployed in your organization:
System Center Operations Manager 2012 RTM or later
System Center Operations Manager 2007 R2 or later
You have already deployed SCOM agents to your Exchange Servers.
The SCOM agents on your Exchange Servers are running under the local system account.
The SCOM agents on your Exchange Servers are configured to act as a proxy and discover managed objects on other computers.
If you are monitoring Exchange Server 2013 Database Availability Groups (DAGs), ensure that all DAG members are monitored by Operations Manager.
You may refer to the link below for more details:
http://www.msexchange.org/articles-tutorials/exchange-server-2013/management-administration/monitoring-exchange-2013-scom-2012-part2.html
Regards,
Yan Li
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

Exchange 2013 ECP and DAG issue

Good Day,
We have Exchange 2013 setup in Coexistence with Exchange 2007. Everything is working well except for two small issues I have noticed.
Current Setup of 2013:
SiteA:
2x CAS Servers on Windows 2012 R2 configured with windows NLB (Internet Facing).
2x MBX servers Configured in a DAG also running on Windows 2012 R2.
SiteB:
2x CAS Server on Windows 2012 R2.
2x MBX servers Configured in a DAG also running on Windows 2012 R2.
Issues I am having:
Issue 1:
When working on the ECP:
I can do all tasks on servers in the same site but get some errors when trying to do tasks on servers in the other site.
When trying to Activate a DB copy on the DAG at SiteB I get "The Microsoft Exchange Replication service does not appear to be running on Server name"
And just trying to go to the properties of a server at SiteB "An error occurred while accessing the registry on the server servername"
This happens vice versa.
I can access all servers on the same site but not between sites with some tasks.
I have made sure firewall is disabled and remote registry is indeed running but no luck.
From a network perspective all ports are open between the sites.
Issue 2:
When I reboot a DAG member with the active mailbox databases for testing outlook connectivity I get two issues.
Then I cannot access ECP at all until the server is up again.
Outlook keeps staying on trying to connect until it is reopened.
Any Ideas?
I will gladly give more information if needed.
Thank You
Riaan Rourke
Senior System Engineer

Since I don't see this with Hyper-V I'll assume this is on ESX. Please let me know it that's not correct.
In terms of virtualization best practices - whose list was that :)
There are multiple configuration things that you *MUST* do when using WLBS on ESX. It will depend upon multiple things in the environment. I'd start with this
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1556
Fix that, and chances are the other item will be also remediated.
Cheers,
Rhoderick
Microsoft Senior Exchange PFE
Blog:
http://blogs.technet.com/rmilne
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Installation of Exchange 2013 Failed on Mailbox Role Transport Service

Hi All,
Getting this error when trying to install a new exchange 2013 server. Thanks in advance
Error:
The following error was generated when "$error.Clear();
          if ( ($server -eq $null) -and ($RoleIsDatacenter -ne $true) )
            Update-RmsSharedIdentity -ServerName $RoleNetBIOSName
        " was run: "Microsoft.Exchange.Data.DataValidationException: Database is mandatory on UserMailbox.
   at Microsoft.Exchange.Data.Directory.ADDataSession.Save(ADObject instanceToSave, IEnumerable`1 properties, Boolean bypassValidation)
   at Microsoft.Exchange.Data.Directory.Recipient.ADRecipientObjectSession.Save(ADRecipient instanceToSave)
   at Microsoft.Exchange.Management.Deployment.UpdateRmsSharedIdentity.Link()
   at Microsoft.Exchange.Management.Deployment.UpdateRmsSharedIdentity.InternalProcessRecord()
   at Microsoft.Exchange.Configuration.Tasks.Task.<ProcessRecord>b__b()
   at Microsoft.Exchange.Configuration.Tasks.Task.InvokeRetryableFunc(String funcName, Action func, Boolean terminatePipelineIfFailed)".

Hi,
This problem occurs because the federated built-in e-mail account that links to the computer account no longer exists. Or, the federated built-in e-mail account in the AD
directory service is corrupted.
Please try to follow these steps to solve this problem.
    1. Remove the FederatedEmail.4c1f4d8b-8179-4148-93bf-00a95fa1e042 e-mail account by using the ADSIEDIT tool. To do this, follow these steps:
Click Start, click Run, type adsiedit.msc, and then click
OK.
Locate the Default Naming Context node, and then locate to the
CN=Users container.
Locate and then right-click the CN=FederatedEmail.4c1f4d8b-8179-4148-93bf-00a95fa1e042 container. Then, click
Delete.
    2. Rerun the Exchange Server 2013 Mailbox role setup application.
    3. Create a new federated e-mail account by using the following command:
New-Mailbox -Arbitration -Name FederatedEmail.4c1f4d8b-8179-4148-93bf-00a95fa1e042 -UserPrincipalName FederatedEmail.4c1f4d8b-8179-4148-93bf-00a95fa1e042@<Default_Accepted_Domain>
If this issue persistes, please let me know.
Best Regards.

Exchange 2013 Hybrid and Rightfax

We are in the process of planning our migration to Office 365, and one of the things we currently use in our Exchange 2010 on prem solution is Rightfax for direct faxing inbound/outbound. The plan is to roll out exchange 2013 in hybrid mode, and I
am wondering what i need to do so that faxing continues to work?
Since we will be running a hybrid, is it as simple as installing the rightfax service on the exchange server, or do I need to plan for some kind of cloud access, similar to how they borked up exchange UM integration (requires a session border controller,
rather than routing through exchange on premises box).

Hi,
According to the description, following is my understanding:
1. You want to migrate to Office 365 from Exchange server 2010.
2. Exchange server 2010 host the Rightfax, now.
3. You want to install a new Exchange server 2013 on-premise. Let the Exchange server 2013 on-premise host the Rightfax.
4. Exchange server 2013 on-premise and Office 365 Hybrid Deployment.
Please correct me if there is any misunderstanding.
If all of above is right, I find some resource relate on Hybrid Deployment with Exchange 2013 on-premises and Office 365.
Exchange Server 2013 Hybrid Deployments
http://technet.microsoft.com/en-us/library/jj200581(v=exchg.150).aspx
Note: If you want to move mailboxes from your on-premises organization to the Exchange Online organization, and those mailboxes are configured for UM, you should configure UM in your hybrid deployment prior to moving those mailboxes.
If you move mailboxes before you configure UM in your hybrid deployment, those mailboxes will no longer have access to UM functionality.
About the Rightfax, I find this from Microsoft resource:
OpenText RightFax version 10
http://pinpoint.microsoft.com/en-us/applications/opentext-rightfax-version-10-12884918124
However it works with
Hyper-V, Microsoft Exchange Server 2010, Microsoft Office 365, Microsoft SharePoint Server 2010, Windows Server 2008 R2.
I'm not quite familiar with it. We can also contact to Rightfax Support to double confirm this.
Thanks
Mavis
If you have feedback for TechNet Subscriber Support, contact
[email protected]
Mavis Huang
TechNet Community Support

Exchange 2013 Database and Mailbox sizing configuration feedback?

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