Removing/ Recovering a CAS server

I've recently had a failure one of my CAS servers an Exchange 2013 SP1 environment. Right now, my exchange services are not started and the CAS is not operating. In order to fix the problem, I tried to do a setup /m:RecoverServer of the crashed CAS many
times as many pros suggested, although I received different weird errors in eachtime! I guess this method is not gonna to work! I'm going to deploy the CAS on a new VM, Is it possible to somehow remove the old VM from the exchange server farm and add a new
server, what is the best practice?

To uninstall an exchange role in exchange organization follow this steps:
Delete this Registry Keys (if it exist)
open regedit
go to HKLM\Software\Microsoft\ExchangeServer\<version>\<Installed Role>
in exchange 2013 go to this dir : HKLM\Software\Microsoft\ExchangeServer\v15\CafeRole
Delete the DisasterRecovery Key
Delete the ConfiguredVersion Key
run "Setup.exe /Mode:Uninstall /IAcceptExchangeServerLicenseTerms"

Similar Messages

Exchange server 2010 Hub-Cas server role remove from organization

Dear all,
I am going to remove my one of my hub-cas(both the roles installed in same server)server from my organization.
Cas server configured into cas array. So anyone please guide me to remove safely.
Parthiban selvaraj

Hi,
From your description, I would like to clarify the following thing:
If you use NLB, you need to remove the CAS server from your NLB cluster and then remove this CAS&Hub server. If you use other sort of load balancer, you need to use it to remove the server from the CAS array and then remove the server.
Hope it helps.
Best regards,
Amy Wang
TechNet Community Support

Removing hub/cas server

Exchange 2010 sp3, 1 multi-role, 1 DAG (2 hubs, 2 mbs)
a few weeks ago, my DAG included the multi-role server. but due to hd space problems, i wasn't able to add more hd to the multi-role server. only to the 2 mb servers. therefore i removed the multi-role server from DAG membership.
the present DAG (2 hubs, 2 mbs), is working fine. my questions are:
will the multi-role server still be actively involved in the sending and receiving of emails? I've removed it from the send connector.
the multi-role server still shows in Server Configuration / Hub Transport. should i remove it?
EDIT: i will still be needing the multi-role server later on. maybe a few weeks from now.

If it doesn't contain any databases which holds mailboxes you can shut down the server and start the server when needed.
or if it contains database(with active mailboxes) move the mailboxes to active mailbox server(DAG member) and shutdown this server for time being if you wish to as it is not a member of DAG.
As commented above if you dont need it you should do a proper unisntall
MAS

Deploying 2x Exchange Server 2013 CAS server email traffic high availability during patching & reboot

Hi people,
What is the best way to utilize VMware technology to host 2x the Exchange Server 2013 CAS role VM in my production VM to ensure that the email traffic is not halted during server patching ?
Previously in Exchange Server 2007 I am using Windows NLB (IGMP Multicast) on my ESXi 4.1, now with ESXi 5.1 and 2013 I wonder if there is any better way to make sure that the server failover does not disrupt the mail flow between the Smarthost and the CAS server role.
Thanks

Hey AlbertWT,
Can you clarify exactly what you mean when you say "server patching?" Do you mean patching at the ESXi host level or something within the guest?
As you probably know Exchange 2013 CAS no longer needs NLB or even a hardware load balancer. Due to changes in the architecture, even simple DNS round robin is "enough" to load balance the CAS role. NLB has its own set of headaches which you are probably all too familiar with so getting rid of that can help remove a lot of complexity from the situation.
If you can clarify what you mean by "server patching" and "server failover" in your post I think that would be helpful for me to give you a more definitive answer.
Matt
http://www.thelowercasew.com

Cas server uninstall failed... Now how to reinstall?

Ok, here is the scenario a company set up an exchange server and IIS config got damaged. So I followed the microsoft guide on uninstalling IIS then the cas server only problem was the cas fail the uninstall about half way through now I can't uninstall
or reinstall.
Also can't reinstall the OS....
Any Ideas.
Output from installer:
Client Access Role
Failed
Error:
The following error was generated when "$error.Clear();
          $CommandAppCmd = join-path $env:SystemRoot System32\inetsrv\appcmd.exe;
          Start-SetupProcess -Name "$CommandAppCmd" -args "uninstall module exppw";
        " was run: "Process execution failed with exit code 1168.".
Process execution failed with exit code 1168.
Click here for help...
http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.1.218.11&e=ms.exch.err.Ex88D115&l=0&cl=cp
Elapsed Time: 00:00:01
Thanks in advance

Sadly the guys that own the server only have the one and won't let anyone onsite on the weekends but they don't want downtime so basically they want the
perfect server!
Original Log:
# Component tasks
# Tasks for 'All Roles Common Last' component
# [ID = AllRolesCommonLast___25c25f6a6e484b32bedc5d6fa5ea3699, Wt = 1, isFatal = True] "Creating the Exchange server configuration object in Active Directory."
5/12/2010 12:50:07 AM:remove-InstalledRoleInfo -RoleName $RoleRoleName
# [ID = AllRolesCommonLast___6f2b6624392e4f678c9b5a386a4916ae, Wt = 1, isFatal = True] "Creating the Exchange server configuration object in Active Directory."
5/12/2010 12:50:07 AM:
          if ($RoleRoles)
            & $RoleBinPath\ServiceControl.ps1 EnableServices $RoleRoles.Replace('Role','').Split(',')
# [ID = AllRolesCommonLast___f688defc7999417ba5c8e7b4ca41a971, Wt = 1, isFatal = True] "Creating the Exchange server configuration object in Active Directory."
5/12/2010 12:50:07 AM:
          & $RoleBinPath\ServiceControl.ps1 EnableServices $RoleRoleName.Replace('Role','')
# [ID = AllRolesCommonLast__StartWinMgmt, Wt = 5, isFatal = True] "Starting the WMI service."
5/12/2010 12:50:08 AM:
          if (Get-Service WinMgmt* | ?{$_.Name -eq 'WinMgmt'})
            Set-Service WinMgmt -StartupType Automatic
            Start-SetupService -ServiceName WinMgmt
# [ID = AllRolesCommonLast__StartRemoteRegistry, Wt = 5, isFatal = True] "Starting the Remote Registry service."
5/12/2010 12:50:08 AM:
          if (Get-Service RemoteRegistry* | ?{$_.Name -eq 'RemoteRegistry'})
            Set-Service RemoteRegistry -StartupType Automatic
            Start-SetupService -ServiceName RemoteRegistry
# Tasks for 'File distribution Service Control' component
# [ID = FileDistributionServiceControl___474b4dc5deb44f7ca748da725a0ecac3, Wt = 1, isFatal = True] "Stopping the Microsoft Exchange File Distribution service."
5/12/2010 12:50:08 AM:stop-SetupService -ServiceName MSExchangeFDS
# Tasks for 'RPC Client Access Service Control' component
# [ID = RpcClientAccessServiceControl___4b4248cce65c4ccaa92fe5f938f2aedc, Wt = 1, isFatal = True] "Stopping Microsoft RPC Client Access."
5/12/2010 12:50:10 AM:stop-SetupService -ServiceName MSExchangeRPC
# Tasks for 'Client Access Service Control' component
# Tasks for 'File Distribution Service Configuration' component
# [ID = FileDistributionServiceComponent___659b38f67e0240199f57f0c851fe7a2b, Wt = 1, isFatal = True] "Uninstalling the Microsoft Exchange File Distribution service."
5/12/2010 12:50:11 AM:uninstall-FileDistributionService
# Tasks for 'File Distribution Service Group Metrics Perf Counters' component
# [ID = FDS_GM_PerfCountersComponent___8c292d9c21af44358441a4c99baddeab, Wt = 1, isFatal = False] "Installing FDS GM PerfCounters."
5/12/2010 12:50:16 AM:remove-perfcounters -DefinitionFileName FDSGMPerformanceCounters.xml
# Tasks for 'File Distribution Service OAB Perf Counters' component
# [ID = FDS_OAB_PerfCountersComponent___103a4c1adf974591be38633f58ec1ebc, Wt = 1, isFatal = False] "Installing FDS OAD PerfCounters."
5/12/2010 12:50:17 AM:remove-perfcounters -DefinitionFileName FDSOABPerformanceCounters.xml
# Tasks for 'Enable RPC over HTTP redirector firewall exception' component
# [ID = RpcHttpRedirectorException___653184838b334e749dbc87a567e865b2, Wt = 1, isFatal = False] "Configuring the server."
5/12/2010 12:50:17 AM:
          if ([Environment]::OSVersion.Version.Major -ge 6)
          Remove-FirewallException -FirewallRule (New-Object Microsoft.Exchange.Security.WindowsFirewall.RpcHttpRedirectorRule)
# Tasks for 'Address Book Service Configuration' component
# [ID = AddressBookComponent___fe2c1cbb8e954dd786870cdc8b3d85e9, Wt = 1, isFatal = True] "Configuring the Microsoft Exchange Address Book service."
5/12/2010 12:50:17 AM:uninstall-AddressBookService
# Tasks for 'RPC Client Access Protocol Configuration' component
# Tasks for 'Client Access Services Configuration' component
# [ID = ServicesComponent___ca981854eaa74c1ca684178d9ea52fff, Wt = 1, isFatal = True] "Configuring Client Access services."
5/12/2010 12:50:23 AM:
     get-WebServicesVirtualDirectory -Server $RoleFqdnOrName -DomainController $RoleDomainController | remove-WebServicesVirtualDirectory -DomainController $RoleDomainController -Force;
# [ID = ServicesComponent___98bb14bb96bc43babb98f8d36183263e, Wt = 1, isFatal = True] "Configuring Client Access services."
5/12/2010 12:50:24 AM:get-ActiveSyncVirtualDirectory -server $RoleFqdnOrName -DomainController $RoleDomainController | remove-ActiveSyncVirtualDirectory -DomainController $RoleDomainController
# [ID = ServicesComponent___9b5feb8e2ff64c4ebd10edb43c3a2aa9, Wt = 1, isFatal = True] "Configuring Client Access services."
5/12/2010 12:50:26 AM:
     $clientAccessServer = get-ClientAccessServer -Identity $RoleFqdnOrName;
     if($clientAccessServer)
         if(($clientAccessServer.AutoDiscoverServiceInternalUri) -and ($clientAccessServer.AutoDiscoverSiteScope))
      set-ClientAccessServer -Identity $RoleFqdnOrName -AutoDiscoverServiceInternalUri:$null -AutoDiscoverSiteScope:$null
# [ID = ServicesComponent___a8409d9e1e024948a9cf2805368de7dd, Wt = 1, isFatal = True] "Configuring Client Access services."
5/12/2010 12:50:27 AM:get-AutodiscoverVirtualDirectory -Server $RoleFqdnOrName -DomainController $RoleDomainController | remove-AutodiscoverVirtualDirectory -DomainController $RoleDomainController
# Tasks for 'RPC-over-HTTP Proxy Configuration' component
# Tasks for 'ECP Configuration' component
# [ID = ClientAccessEcpComponent___9b61914c88354a1ca625560e0a59451c, Wt = 1, isFatal = True] "Installing/Removing the ECP component."
5/12/2010 12:50:28 AM:
          get-EcpVirtualDirectory -server $RoleFqdnOrName -DomainController $RoleDomainController | remove-EcpVirtualDirectory -DomainController $RoleDomainController;
# Tasks for 'OWA Configuration' component
# [ID = ClientAccessOwaComponent___5effe7121e1740c083904cc189687464, Wt = 1, isFatal = True] "Installing/Removing Outlook Web App Component."
5/12/2010 12:50:29 AM:
          $CommandAppCmd = join-path $env:SystemRoot System32\inetsrv\appcmd.exe;
          Start-SetupProcess -Name "$CommandAppCmd" -args "uninstall module exppw";
Current Log:
# Component tasks
# Tasks for 'OWA Configuration' component
# [ID = ClientAccessOwaComponent___5effe7121e1740c083904cc189687464, Wt = 1, isFatal = True] "Installing/Removing Outlook Web App Component."
5/12/2010 1:59:07 AM:
          $CommandAppCmd = join-path $env:SystemRoot System32\inetsrv\appcmd.exe;
          Start-SetupProcess -Name "$CommandAppCmd" -args "uninstall module exppw";
Any Ideas?

How to remove Oracle from my server?

I was testing with Oracle Gateway and tried installing it in the same home as my existing Oracle Home which is Oracle 10g.
Now, my Oracle is corrupted. Its just a testing server. I was half way deleting the Oracle files and now I am unable to remove the remaining files. I stopped all the services related to Oracle and its still the same.
How should I remove Oracle from my server now.
Please guide me.
Thanks

If you are window platform restart the machine and remove the remaining files. In case if remaining file are not get delete rename and later drop after some time .
If you want to delete the oracle on window follow the below steps :
start-->>all program-->> oracle -->> installation product -->>click on universal installer -->> de-install product -->>click on ora-home -->> click on remove button.
Hope this help you
--neeraj

How to Remove a bad mailbox server and add new mailbox server to DAG and copy mailboxes over

DAG
2- cas - VM
2- mbx- physical blade (mbx1, mbx2)
5- mailbox databases
OS: Win 2008 SP2
Exchange 2010SP3
Storage: Tegile Disk jbod Luns
We have bad disks on mbx1. our plan is to get a new blade to replace the bad one named mbx3. we need to do this asap since we are running on 1 server without failover capability
How can I safely:
1. Add a new mailbox server to the DAG
2. Copy\Move the databases from the old (passive) server to the new server
3. Remove the bad mailbox server from DAG

You'll want to make sure that the new server is on all the same networks that the server you are removing is on, specifically networks that are DAG networks. Also, you'll want to avoid using Windows Network Load Balancing on the new mailbox server
since it will be part of the DAG. Also, just as you did with the current DAG members, ensure that the disk drive letters match the existing disks that hold databases & logs. Other than that, it's as simple as you have stated.
1.) Once you have the new mbx server built & configured with the mailbox role, you can use:
Get-DatabaseAvailabilityGroup "Name of DAG" | Add-DatabaseAvailabilityGroupServer "Name of New MBX Server"
2.) Add the databases to the new DAG member:
Add-MailboxDatabaseCopy "name of database" -MailboxServer "name of new DAG member" -ActivationPreference "[you decide based on the server replacing mbx1]"
3.) Once your databases are Mounted and/or Healthy on the new DAG member, you'll want to remove the databases from the "bad" server (make sure they are all passive on the server first):
Get-MailboxDatabaseCopy "SERVER\Database" | Remove-MailboxDatabaseCopy
4.) Once all of the databases are removed from the "bad" DAG member, remove him from the DAG:
Get-DatabaseAvailabilityGroup "Name of DAG" | Remove-DatabaseAvailabilityGroupServer "Name of old MBX Server"
Before you pull the blade, uninstall Exchange Server gracefully, as this will save you AD & Exchange headaches later on.
Petri has a pretty good GUI walk-through for some of the above steps here:
How to Configure Database Availability Group for Exchange Server 2010
Woody Colling, MCITP Exchange 2010
--The incentive for the experts to answer posts is to get their replies marked as helpful, or as the answer to our questions, help them help us, mark posts accordingly--

Removing from an FTP server

Hey Guys,
Say you have an image or file you want to remove from an FTP server, what method would you use in the FTPClient? the deleteFile(String arg)?
Thanks,
ArchBytes

If you are using Apache Commons net API the answer is yes.
Provided the login which you have used has respective permissions to do that.
for more info please refer the API.
http://commons.apache.org/net/api/org/apache/commons/net/ftp/FTPClient.html

Can i use same certificate on 2 different CAS Server across sites

Hi All
I have a question I have been playing with for a few days,
I have the following setup,
2 sites connected via a VPN and a DAG configured between sites.
Site 1-Head Office
2 exchange 2010 servers,
1 running CAS and Mailbox (this server is entry point to all clients for owa etc.)
1 running Hub, CAS, Mailbox. (this is the main server and a DAG Member)
We have a UNC certificate associated with all records pointing to remote access and its installed on both servers.
** Everything in this site works fine.
** The AD DNS server does not have a zone for the public domain with all the external records only the .local domain. Planning to change this soon.
Site 2.
1 exchange 2010 servers,
1 running Hub, CAS, Mailbox. (this is the main server for this site, a DAG Member and no entry point at this time but we intend to use it for redundancy)
** Currently all BD are on server in site 1.
** The AD DNS server does not have a zone for the public domain with all the external records only the .local domain. Planning to change this soon.
My questions are as follows:
1      on site 2’s the cas server can I use the same certificate I’m using onsite 1. in other words all clients currently use mail.domain.com which has an IP pointing to site 1, can I use that same certificate in site 2 and associate
it with the CAS server there? (in the event of a failover I just change the records IP)
2      All smtp traffic come through site 1, when I test moving active databases to site 2, all email stay in the ques of exchange server in site one, they don’t get delivered. (I have not set AD replication through smtp so don’t know
if this is a factor)
3      When I do set the active databases to site 2, webmail and remote services stop working, I get the infamous error when logging onto webmail, service unavailable because it’s been moved. I have read a lot about this being an internal
external url issue.
All these issues im starting to think they all interlinked, and would like some help.
Cheers

Answers to your questions:
Yes. Understand that until you swap your external DNS so it points to Site 2, the mail.domain.com won't be accessed, but it will be there for when you want it to be.
AD replication is not the issue, so don't try to set it to use SMTP. If you have hub servers in both sites, your inbound Internet email should be delivered from the Site 1 hubs to the Site 2 hubs. We may need more information before we can give
you a good answer for this question. However, you may check the following TechNet article (and its links) for assistance.
http://technet.microsoft.com/en-us/library/aa998825(v=exchg.141).aspx
Web access requires that the CAS you connect to be either externally accessible and in the same site as your mailbox server, or that the CAS in the inaccessible Windows site needs to be configured as internal only and the accessible CAS needs to be configured
to proxy connections. For this, make sure you have followed the directions in the following TechNet article.
http://technet.microsoft.com/en-us/library/bb310763(v=exchg.141).aspx
HTH ...

How can i remove the shell case from cath kidston?

Hi how can i remove the shell case from cath kidston

Try:
items.RemoveAll(s => string.IsNullOrEmpty(s));
Or you can filter them out using where:
var noEmptyStrings = items.Where(s => !string.IsNullOrEmpty(s));
Having fun with custom collections!
Basics of .NET Collections in C#
How does it work in C#? - Part 3 (C# LINQ in detail)
Mark as answer or vote as helpful if you find it useful | Ammar Zaied [MCP]

Exchange 2013 - Prevent Outlook Clients From Connecting To A CAS Server In A Different AD Site

Hi all,
I could really do with your help!
We have 3 physical sites, A, B & C, with sites A & B having a really fast low latency links between them, so from an AD point of view they are 1 site. Site C has links to both sites A & B, but the link is a lot slower.
We have an exchange design with 3 servers (one located at each physical site) that will form a DAG spread over the 3 physical sites. Ideally we will separate the CAS and mailbox server roles out and have them controlled by a hardware load balancer,
however we can have both roles on the same server if required.
What we want, is to prevent is a situation where an outlook client in site C connects to a CAS server in site A/B with the mail being hosted on a mailbox server in site C therefore traversing the network twice to get its mail.
From doing the Microsoft training course, my understanding is that in Exchange 2013, the CAS server only proxy's the request on to the mailbox server and does not redirect the request to the CAS server in the site where the mailbox server resides.
I have seen information online stating that a single namespace is the way to go as long as your site links/network bandwidth is good, but nothing to help with our scenario.
Has anyone else come across this situation and how did you get round it?
Thanks in advance :)

Hi Johnson,
Based on my knowledge, Outlook Client will connect to the CAS server which in local first.
Please check whether the CAS server that in site C is healthy.
If the CAS server in site C is healthy, please disable the CAS Load Balance for testing.
Also found a useful blog for your reference:
Exchange 2013 Client Access Server Role
http://blogs.technet.com/b/exchange/archive/2013/01/25/exchange-2013-client-access-server-role.aspx
Thanks
Mavis
Mavis Huang
TechNet Community Support

Exchange 2013 - CAS Server Multi Namespace & Site Deployment

Hello,
I am
currently designing the new Excahnge 2013 environment that I am looking to deploy by the end of the month. And I have come up with two designs on what could be deployed. The first being an active/passive design with a single namespace across two sites.
One site being the primary site and the other being the secondary DR site in a single DAG. Now this is a common design and similar setups are documented in detail online on many blogs and such.
Where my trouble is with the second design I have come up with which is an active/active model using a multi namespace across the same two sites utilizing two DAGs. The idea here being the first
site is the corporate head office which would only contain those users. While the second site would contain everyone else not based out of the head office. The goal being to cut out internal users from connecting all of the way into the primary site when they
are external to it.
Now the way in which the network is setup between the two sites. Accessing the internet from the primary site requires you to go through the secondary. So for the second design my idea would
be for external Outlook, OWA and ActiveSync connections would connect into the secondary site for it to then proxy over to the primary. Now I am used to how Excahnge 2010 did its proxying and if the ExternalUrl property was blank is knew to proxy to the other
site. Is that still the case with Excahnge 2013 or it does not care at all and I can just populate both the internal/external url properties for all of the CAS servers at the primary site?
Now assuming I do populate both the internal/external url property in Excahnge 2013 for the primary site. And for this example I am going to use mail01.domainname.com for the primary site and
mail02.domainname.com for the second. To get Outlook, OWA and ActiveSync to connect for users of the primary site externally would it be as simple as having that external internet DNS entry for mail01.domainname.com point to the same IP as mail02.domainname.com
would be? With mail02.domainname.com pointing to a externally accessible load balancer for the second site.
Now applying the above logic and assuming as long as you hit a CAS server. And it will find your mailbox for you does that mean I can could also use the same namespace in both locations for
say OWA and ActiveSync? So the idea being we want to keep using webmail.domainname.com for OWA access. So if I set that URL for both the primary and secondary site as long as I hit a CAS server in the secondary site. It will be able to connect over to the
mailbox in the primary site for OWA?
Nicholas

Hello Angela,
I need some clarification to your reply as it has left me a little more confused. Where you start by saying “all client requests will firstly access the internet-facing server”.
Are you talking about when the client is connecting in externally or when the client is internal? As this would make it seem like in my second design where only the secondary site would have internet facing CAS. That clients in the primary site internally
would connect over to the secondary site then be proxyed back to the primary.
Then for the separate namespace portion of your reply. I am assuming you mean the secondary site form my example which will have the internet-facing CAS server? If that is
the case my public DNS entry would be mail02.domain.com only but then how would the client from the primary site who use mail01.domain.com which is not on an internet facing CAS server. Then figure out they can connect in on mail02.domain.com externally from
the internet?
And when you talk about both sites using the same namespace. And using two public DNS entries pointing to the CAS servers in both datacenters. Is that not just going to do
DNS round robin? As described in this technet blog?
http://blogs.technet.com/b/exchange/archive/2014/02/28/namespace-planning-in-exchange-2013.aspx
Or is it because both datacenters will be hosting active mailboxes. Will the clients query each CAS server till it finds one in its site? I do also plan to deploy a load balancer with my CAS servers. So I would think that would cancel our using the two public
DNS option.
Nicholas

Outlook won't connect to CAS server in another site

Hey guys, so heres my scenario, we were testing a primary site
dag outage, and not for all the tea in China would outlook connect to the DR sites CAS server. When I look at outlook its still trying to connect to the
cas server in my primary site, when I run the
autodiscover test from the clients outlook, within the output, I see it fails on the primary and goes to DR CAS as it should, I even did a repair and that didn't work.
i had to edit the host files on the client and point it directly
to the DR server and then it connected, and by that
i mean, it kept trying to connect to EX01 instead of DR01, so
i edited the host file to make the client go to DR01 as EX01, which
worked, so I'm not sure what's going on. All of this is internally btw.
Current design:
Exchange 2010 SP2 - 1DAG (3 members)
"Primary site": 2 DC's, 2 DAG members, 2 Hub/CAS
"DRSite"; 1DC (Alternatewitness), 1 DAG member running all roles
Testing server blackout scenario at the primary site, was able to get mailboxes mounted on DR site, OWA works, able to receive mail, outlook only works if DNS is reworked.
Thanks in advance for any suggestions.

Hey guys, finally got around to testing this, it
didn't work :(.
i built a lab with same versions and it worked automatically, the clients just connected
on their own.
anythingelse
I can check?
SIDENOTE: Not sure if related... i remember once
we had a problem where users could could not login to their mailbox using SITEA CAS servers when the databases were hosted in SITEB and in ADSIEDIT was made to allow this to happen, the change had us edit the CAS server's site so that instead of being in DRSITE
it was to SITEA. (Hopefully that makes sense can't remember exactly where that change was made in ADSI).

How do I set up my email account on my iMac OS Yosemite 10.10.2 so that the emails are downloaded to my computer and removed from the ISP server?

how do I set up my email account on my iMac OS Yosemite 10.10.2 so that the emails are downloaded to my computer and removed from the ISP server?

When setting up the email using Apple 'Mail' (version 8.2 (2070.6)) I do not get an option to set up my email as using POP. I can go to Outlook from Microsoft and I get a chance to set my mail up using POP, however I would prefer to use the Apple supplied 'Mail' email programme as I'm using Office 365 and may not want to continue the subscription sometime in the future.
Any advice on setting Mail to POP would be appreciated. A not so Happy Wombat.

Do i need a CAS server per AD site?

Hi!
So I have been browsing through a lot of Exchange Server documentation, guides and best practice but I have not found (or misunderstanding) the CAS placement for my situation.
We are currently in the process of upgrading to Exchange server 2013. As we have an Exchange 2003 only deployment, we will first need to move to Exchange 2010 and get rid of all the Exchange 2003 servers and then move on to Exchange 2013. We have a
single domain with 21 AD sites. 8 of these sites (Vessels at Sea) are connected by vSat the other 13 of these sites a remote offices with a more stable connection than vSat.
We want to have a MBX server at every site and what I get from the available documentation on the internet I will also need a HUB server per AD site. What I am not sure about is, do I also need a CAS server per site? What I get from this excerpt:
"A new service was introduced with Exchange Server 2010 to allow these MAPI connections to be handled by the Client Access
server. The RPC Client Access service provides data access through a single, common path of the Client Access server, with the exception of public folder requests, which are still made directly to the Mailbox server. This change applies business logic to clients
more consistently, and provides a better client experience when failover occurs." (ref Understanding RPC Client Access.), is that I also
need a CAS server per site.
Can somebody give me any definite insights in this one?
To summarize the question:
In a multi site AD with a MBX server per site, do I also need a CAS server per site?
Your help is much appreciated!
Regards,
Erik

(for Exchange 2010) You need CAS and Hub role in each site where Mailbox role deployed
Understanding Client Access
"You must install the Client Access server role in every Exchange organization and every Active Directory site that has the Mailbox server role installed"
Overview of the Hub Transport Server Role
"You must deploy a Hub Transport server role in each Active Directory site that contains a Mailbox server role"
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Removing/ Recovering a CAS server

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