Single CAS NameSpace in Multi-Data Center Model With Exchange 2013

Hi
We are in process of transitioning from Exchange 2007 to Exchange 2013. Our Exchange 2007 infrastructure is as follows:
2 Data centers (DC 1 and DC 2). Both with active user population. Both have their own direct Internet Connectivity
Standalone Exchange 2007 mailbox servers in each data center
Load Balanced CAS (HT co-located) servers using Hardware Load Balancers in each data center. Load balancers are configured with VIP and FQDNs (LoadBalancer1.Com and LoadBalancer2.com)
Currently No access allowed from Internet except ActiveSync (No OWA or OA)
Outlook anywhere is disabled in Exchange 2007 organization but once mailboxes will be moved to Exchange 2013, OA will definitely be used – we will provide OA on Intranet as well as Internet
All the internal URLs including Autodiscover point to VIP (Load Balancer IP)
Autodiscover is not currently published on Internet, but we have a plan to publish it now once Exchange 2013 is introduced
We want to keep a single CAS NameSpace BYOD.ABC.Com for our ActiveSync and OA (and not going to allow OWA) access from Internet. We want to have Split-DNS for our new Exchange 2013 infrastructure due to
the simplicity it brings. So we are going to use one name BYOD.ABC.Com from the Internet. We have GSLB that provide Fault Tolerance and Geo-Load Balance to external requests coming from Exchange clients, between two data centers. When we will
install new Exchange 2013 servers, they’ll be part of new VIP so:
In a 2 data center model, can we name our internal VIPs same in both data centers (i:e BYOD.ABC.Com) as we have decided to go with Split-DNS? Do you see any caveats to this strategy
If the above strategy will not work, what are the alternate approach(es).
If we configure same names for the VIPs in both data centers, it will mean that the Autodiscover SCPs for all the Exchange 2013 CAS objects (and Exchange 2007 CAS objects during co-existence) will point to BYOD.ABC.Com. This should not be a problem for
AD joined systems as they’ll find and contact Autodiscover endpoints in their own sites (based on Keywords attribute that tells which AD site SCP belongs to) –
Please correct me if this is wrong.
If we configure same names for the VIIPs in both data centers, this also means that we have to configure BYOD.ABC.Com on External as well as Internal URLs on all the Exchange 2013 servers across both the data centers – Wouldn’t that be a problem – in terms
of loops during CAS-CAS Proxy/Redirection?
If we configure different names of the VIPs (say BYOD1.ABC.Com and BYOD2.ABC.Com), how will the Outlook Anywhere requests be handled in both data centers. The OA requests from DC1 will expect the Certificate Principle Name to be BYOD1.ABC.Com and requests
from DC2 will expect the Certificate Principle Name to be BYOD2.ABC.Com. How to get this stuff working. As far as I know, OA expects CPN to match with it’s name.
Thanks
Taranjeet Singh
zamn

Any comments/suggestions from community......
Thanks
Taranjeet Singh
zamn

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Ask the Expert: Scaling Data Center Networks with Cisco FabricPath

With Hatim Badr and Iqbal Syed
Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about the Cisco FabricPath with Cisco technical support experts Hatim Badr and Iqbal Syed. Cisco FabricPath is a Cisco NX-OS Software innovation combining the plug-and-play simplicity of Ethernet with the reliability and scalability of Layer 3 routing. Cisco FabricPath uses many of the best characteristics of traditional Layer 2 and Layer 3 technologies, combining them into a new control-plane and data-plane implementation that combines the immediately operational "plug-and-play" deployment model of a bridged spanning-tree environment with the stability, re-convergence characteristics, and ability to use multiple parallel paths typical of a Layer 3 routed environment. The result is a scalable, flexible, and highly available Ethernet fabric suitable for even the most demanding data center environments. Using FabricPath, you can build highly scalable Layer 2 multipath networks without the Spanning Tree Protocol. Such networks are particularly suitable for large virtualization deployments, private clouds, and high-performance computing (HPC) environments.
This event will focus on technical support questions related to the benefits of Cisco FabricPath over STP or VPC based architectures, design options with FabricPath, migration to FabricPath from STP/VPC based networks and FabricPath design and implementation best practices.
Hatim Badr is a Solutions Architect for Cisco Advanced Services in Toronto, where he supports Cisco customers across Canada as a specialist in Data Center architecture, design, and optimization projects. He has more than 12 years of experience in the networking industry. He holds CCIE (#14847) in Routing & Switching, CCDP and Cisco Data Center certifications.
Iqbal Syed is a Technical Marketing Engineer for the Cisco Nexus 7000 Series of switches. He is responsible for product road-mapping and marketing the Nexus 7000 line of products with a focus on L2 technologies such as VPC & Cisco FabricPath and also helps customers with DC design and training. He also focuses on SP customers worldwide and helps promote N7K business within different SP segments. Syed has been with Cisco for more than 10 years, which includes experience in Cisco Advanced Services and the Cisco Technical Assistance Center. His experience ranges from reactive technical support to proactive engineering, design, and optimization. He holds CCIE (#24192) in Routing & Switching, CCDP, Cisco Data Center, and TOGAF (v9) certifications.
Remember to use the rating system to let Hatim and Iqbal know if you have received an adequate response.
They might not be able to answer each question due to the volume expected during this event. Remember that you can continue the conversation on the Data Center sub-community Unified Computing discussion forum shortly after the event. This event lasts through Dec 7, 2012.. Visit this support forum often to view responses to your questions and the questions of other Cisco Support Community members.

Hi Sarah,
Thank you for your question.
Spanning Tree Protocol is used to build a loop-free topology. Although Spanning Tree Protocol serves a critical function in these Layer 2 networks, it is also frequently the cause of a variety of problems, both operational and architectural.
One important aspect of Spanning Tree Protocol behavior is its inability to use parallel forwarding paths. Spanning Tree Protocol forms a forwarding tree, rooted at a single device, along which all data-plane traffic must flow. The addition of parallel paths serves as a redundancy mechanism, but adding more than one such path has little benefit because Spanning Tree Protocol blocks any additional paths
In addition, rooting the forwarding path at a single device results in suboptimal forwarding paths, as shown below, Although a direct connection may exist, it cannot be used because only one active forwarding path is allowed.
Virtual PortChannel (vPC) technology partially mitigates the limitations of Spanning Tree Protocol. vPC allows a single Ethernet device to connect simultaneously to two discrete Cisco Nexus switches while treating these parallel connections as a single logical PortChannel interface. The result is active-active forwarding paths and the removal of Spanning Tree Protocol blocked links, delivering an effective way to use two parallel paths in the typical Layer 2 topologies used with Spanning Tree Protocol.
vPC provides several benefits over a standard Spanning Tree Protocol such as elimination of blocker ports and both vPC switches can behave as active default gateway for first-hop redundancy protocols such as Hot Standby Router Protocol (HSRP): that is, traffic can be routed by either vPC peer switch.
At the same time, however, many of the overall design constraints of a Spanning Tree Protocol network remain even when you deploy vPC such as
1.     Although vPC provides active-active forwarding, only two active parallel paths are possible.
2.     vPC offers no means by which VLANs can be extended, a critical limitation of traditional Spanning Tree Protocol designs.
With Cisco FabricPath, you can create a flexible Ethernet fabric that eliminates many of the constraints of Spanning Tree Protocol. At the control plane, Cisco FabricPath uses a Shortest-Path First (SPF) routing protocol to determine reachability and selects the best path or paths to any given destination in the Cisco FabricPath domain. In addition, the Cisco FabricPath data plane introduces capabilities that help ensure that the network remains stable, and it provides scalable, hardware-based learning and forwarding capabilities not bound by software or CPU capacity.
Benefits of deploying an Ethernet fabric based on Cisco FabricPath include:
• Simplicity, reducing operating expenses
– Cisco FabricPath is extremely simple to configure. In fact, the only necessary configuration consists of distinguishing the core ports, which link the switches, from the edge ports, where end devices are attached. There is no need to tune any parameter to get an optimal configuration, and switch addresses are assigned automatically.
– A single control protocol is used for unicast forwarding, multicast forwarding, and VLAN pruning. The Cisco FabricPath solution requires less combined configuration than an equivalent Spanning Tree Protocol-based network, further reducing the overall management cost.
– A device that does not support Cisco FabricPath can be attached redundantly to two separate Cisco FabricPath bridges with enhanced virtual PortChannel (vPC+) technology, providing an easy migration path. Just like vPC, vPC+ relies on PortChannel technology to provide multipathing and redundancy without resorting to Spanning Tree Protocol.
Scalability based on proven technology
– Cisco FabricPath uses a control protocol built on top of the powerful Intermediate System-to-Intermediate System (IS-IS) routing protocol, an industry standard that provides fast convergence and that has been proven to scale up to the largest service provider environments. Nevertheless, no specific knowledge of IS-IS is required in order to operate a Cisco FabricPath network.
– Loop prevention and mitigation is available in the data plane, helping ensure safe forwarding that cannot be matched by any transparent bridging technology. The Cisco FabricPath frames include a time-to-live (TTL) field similar to the one used in IP, and a Reverse Path Forwarding (RPF) check is also applied.
• Efficiency and high performance
– Because equal-cost multipath (ECMP) can be used the data plane, the network can use all the links available between any two devices. The first-generation hardware supporting Cisco FabricPath can perform 16-way ECMP, which, when combined with 16-port 10-Gbps port channels, represents a potential bandwidth of 2.56 terabits per second (Tbps) between switches.
– Frames are forwarded along the shortest path to their destination, reducing the latency of the exchanges between end stations compared to a spanning tree-based solution.
    – MAC addresses are learned selectively at the edge, allowing to scale the network beyond the limits of the MAC addr

Data Center InterConnect with Dark Fibre

Dear all,
We are designing a Data Center InterConnection for our two Data Centers on top of a 10G Dark Fibre.
Our primary goal is to:-
extend a few vlans between the two DCs;
Support VMware vMotion betwen the two DCs;
asymmetric SAN synchronization;
FCoE for SAN connectivity between the two DCs;
So may I ask if we could run both LAN and SAN connections on this DF connection? We have NX5K on one DC and NX7K on the other, are there specific devices required to enable both LAN and SAN connections?
It would be really appreciated if anyone could shed any lights on this. Any suggestions are welcome!
Best Regards,
James Ren

Hello.
If you are running Active/Backup DC scenario, I would suggest to make network design and configuration exactly the same. This includes platforms, interconnectivity types and etc.
Do you know what is the latency on the fiber between these two DCs?
Another question: why do you run 6880 in VSS, do you really need this?
Q about the diagram: are you going to utilize 4 fibers for DC interconnection?
PS: did you think about OTV+LISP instead of MPLS?

Configuration Exchange 2013 DAG on two Server Data center 2012 with Hyper -V roles

Dears,
I try to planning and installation two hosts ( Data center 2012 servers) then install Hyper-V role on both this server, then create VM on each Data center server to be install Exchange 2013 on them.
After that I want to configure DAG between Exchanges servers, so what are the prerequisite to do that ?
Note: I use external IBM storage that will be located all VMs and DAG
Many thanks

Hi Moon,
In addition to Gulab's suggestion, I would like to clarify the following things:
1. Yes, we can use Standard or Datacenter version of the Windows Server 2012 operating system to configure Exchange 2013 DAG.
2. Each member of the DAG should be running the same operating system.
3. The DAG with an even number of members should have a witness server. A witness server is a server outside a DAG that's used to achieve and maintain quorum when the DAG has an even number of members.
What's more, here are some helpful articles for your reference.
Planning for High Availability and Site Resilience
http://technet.microsoft.com/en-us/library/dd638104(v=exchg.150).aspx#HR
High Availability and Site Resilience
http://technet.microsoft.com/en-us/library/dd638137(v=exchg.150).aspx
Hope it helps.
If there are any problems, please feel free to let me know.
Best regards,
Amy
Amy Wang
TechNet Community Support

How To Make Shapes Change Colors When Clicking on them. Example Sheet Sales Data.xlsx template with Excel 2013

My question is related to the Sales Data.xlsx template that comes with Excel 2013
IN this workbook is a sheet named Sales Data. It has, 3 shapes. One each for each of the tab sheets in the workbook. When I click on the 'Sales Report' shape it selects the sales report tab. When you do this the shape changes color and the 'Sales Data' shape
also changes color.
However I'm unable to figure out how the colors are changing.
I don't see any macros in the workbook/worksheet. Nor do I see any code for worksheet events. I don't see any modules in VBA either. I think what is happening is that there are 2 shapes. When you click on one, the one shape goes to the background and the
other one comes to the foreground.
I'm no sure how it's doing that.
Can someone look at this template, Sales Data.xlsx that comes with Excel and explain how this functionality works?
Thank You
Keith Aul
Keith Aul

The shapes are exactly as I suspected, each of 3 sheets has 3 'navigation' shapes. The shape with the same name as the sheet has no hyperlink and is coloured differently to indicate it refers to the active sheet. The other two have hyperlinks linked to respective
sheets. 3x3 shapes, 9 in total, none of them ever change colour!
It's logical though not necessary to name each shape same as the sheet it links to, but they'd work just as well with their original default names.
For aesthetics, the shapes that refer to own sheet have a horizontal line on top, actually two shapes as a group.
If still confused copy each set of 3 shapes to a 4th sheet, or open two new windows so you can see all three sheets at the same time.

Exchange 2010 CAS array with Exchange 2013 Mailbox Servers

Here is our current scenario,
Exchange 2007
2 - Hub Transport Servers
2 - CAS servers (cluster NLB)
2 - Mailbox servers (clustered)
Exchange 2010
2 - Huib Transport Servers
3 - CAS servers (array NLB)
2 - Mailbox servers (1 DAG)
We have not migrated any users to the Exchange 2010 environment yet. We're thinking that at this point we would rather go from 2007 to 2013. Does the 2013 mailbox server work with a 2010 CAS array?

Hi,
As far as I know, CAS array doesn' t exist in Exchange 2013. And OWA and other requests can be proxyed and redirected from Exchange 2013 to Exchange 2010.
For more information, you can refer to the following article:
http://blogs.technet.com/b/exchange/archive/2013/01/25/exchange-2013-client-access-server-role.aspx
Thanks,
Angela Shi
TechNet Community Support

Case-sensitive values in an Tabular Model with a Oracle Datasource

Hi,Lets use an Oracle Database as Datasource for my Project. I use a "Select distinct ColumnA from Table" to build up a LookupTable in my Tabular Model. But it returns Dublicates!! eg:
When I fire the query from Oracle SQL Developer I got 2 Records "1N" and "1n". In the Grid View in SSDT I see 2 times "1N". ??
Collation Case Sensitive. OK, but how to solve that?
KR

Hi KR,
According to your description, you encounter the case-sensitive issue when creating SQL Server Analysis Services Tabular model project, right?
Based on my research, Tabular models have the insensitivity problem by default. The workaround for this issue is creating a empty tabular model in tabular server using the xmla below and import the tabular in SSDT.
<Create xmlns="http://schemas.microsoft.com/analysisservices/2003/engine">
<ObjectDefinition>
<Database xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ddl2="http://schemas.microsoft.com/analysisservices/2003/engine/2" xmlns:ddl2_2="http://schemas.microsoft.com/analysisservices/2003/engine/2/2" xmlns:ddl100_100="http://schemas.microsoft.com/analysisservices/2008/engine/100/100" xmlns:ddl200="http://schemas.microsoft.com/analysisservices/2010/engine/200" xmlns:ddl200_200="http://schemas.microsoft.com/analysisservices/2010/engine/200/200" xmlns:ddl300="http://schemas.microsoft.com/analysisservices/2011/engine/300" xmlns:ddl300_300="http://schemas.microsoft.com/analysisservices/2011/engine/300/300">
<ID>Collation test</ID>
<Name>Collation test</Name>
<Language>1033</Language>
<Collation>Latin1_General_CS_AS</Collation>
<DataSourceImpersonationInfo>
<ImpersonationMode>Default</ImpersonationMode>
</DataSourceImpersonationInfo>
<ddl200_200:StorageEngineUsed>InMemory</ddl200_200:StorageEngineUsed>
<ddl200:CompatibilityLevel>1100</ddl200:CompatibilityLevel>
</Database>
</ObjectDefinition>
</Create>
For the detail information about it, please refer to the link below.
http://blogs.msdn.com/b/cathyk/archive/2011/10/24/making-tabular-models-more-sensitive.aspx
Regards,
Charlie Liao
If you have any feedback on our support, please click
here.
Charlie Liao
TechNet Community Support

Cannot view Master Data Services Models with Excel Add-In, using MSSQServer 2014 Trial and Excel 2010 (non-trial)

I'm using using MSSQServer 2014 Trial with Master Data Services installed. I have connected to the MDS server with the Excel 2010 MDS Add-In.
Models are not listed in the Add-In's Explorer browser. When I open the MDS server with IE, no models are listed either.
I can view them locally on the server in IE.
There are no remote DB access issues.
Is it just that the 2014 Trial version does not supply this info remotely??

Was a Model Permission issue. Fixed here: http://technet.microsoft.com/en-us/library/ff487055.aspx
Would be good if the interface would show some kind of alert to that fact.

Multiple owa sites on a single server 2012 with exchange 2013 (mailbox, cas)

hi,
I'm trying to
set up an exchange server 2013 on windows 2012 with all roles installed for 2 owa virtual directory, one for integrated windows authentication and the other for forms-based authentication.
I followed a tutorial for exchange 2010.
http://technicaljeditrials.info/2011/02/28/exchange-2010-multiple-owaecp-directories-part-1/
Step 1: IP Address
Obtain a second IP address and add it to the NIC of your server.
Step 2: DNS
Add a DNS entry for That secondary IP address for the name we will want to use in the new FBA OWA Web site.
I have chosen "testwebmail."
Be sure there is a valid SSL certificate (recommended to have UC or SAN
SSL certs) on the server Which has the new name "testwebmail" that will be used in the certificate.
Step 3: New Web Site
Create a new web site in IIS on the Client Access Server and bind it to the new IP address used in step 1.
Step 4: Adding Exchange Virtual Directories
The web site has been created and bound to the secondary IP address of our server.
Also the DNS record That will be used to access the OWA FBA new page was added to DNS.
The next step is to go into EMS and begin adding our virtual directories for OWA and ECP.
Login to the Exchange server and open the Exchange Management Shell.
Then run Get-Get-OWAVirtualDirectory and ECPVirtualDirectory to see the default OWA and ECP directories.
New-OWAVirtualDirectory -WebSiteName FBA -InternalUrl https://testwebmail.mylab.ad/owa
New-ECPVirtualDirectory -WebSiteName FBA -InternalUrl https://testwebmail.mylab.ad/ecp
Step 5: Configure the Virtual Directories
To configure the virtual directories we will disable FBA on the Default Web Site OWA and ECP virtual directories
Set-OWAVirtualDirectory -Identity "OWA (Default Web Site)" -WindowsAuthentication
$true -BasicAuthentication $false -FormsBasedAuthentication $false
Set-ECPVirtualDirectory -Identity "ECP (Default Web Site)"
-WindowsAuthentication $true -BasicAuthentication $false -FormsBasedAuthentication
$false
Step 6: iisreset
now if I access the default site I log in with
windows integrated authentication, but when I try to access the second site with forms authentication tells me username or password incorrect
Tell me you know where I'm wrong?
thanks
Greetings
Daniele

Hello,
Something like this:
New-OWAVirtualDirectory -WebSiteName "FBA"
Enable the Basic authentication via running the following command:
Set-OWAVirtualDirectory -Identity "yourservername\owa (FBA)" -BasicAuthentication $true
Restart the IIS admin service in services.msc
Thanks,
Simon Wu
TechNet Community Support

Error when Read only permission set when filtering data before loading with Excel 2013 Addin

Good afternoon :)
I have an MDS issue that is making me lose my mind.
I have some permission set to an Entity. It is a read only permission in the entity but I tried to put inside every field and same thing happen.
Every time an Entity has any kind of read only permission assigned to it or its fields, Excel Addin show an error when we try to load it. When Entity has more rows than the maximum rows in the Settings pane, it will show you an option to filter data. When
you try to use this filter, Excel show an error message but you can press OK and everything works fine.
There is the message:
The thing user, my user do not want it :( And I don't know how to get rid of it.
Do anyone have an ideia on how to fix it ?
In the debug set of the addin, there is this message:
2014-10-22T11:38:42.152        8440 EXCEL.EXE            EXCEL.EXE
Generic          EventType: Error, Message: Unobserved exception in TaskScheduler. Exception:'System.AggregateException: One or more errors occurred. ---> System.NullReferenceException: Object reference not set
to an instance of an object.
   at System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous)
   at System.Windows.Forms.Control.Invoke(Delegate method, Object[] args)
   at System.Windows.Forms.WindowsFormsSynchronizationContext.Send(SendOrPostCallback d, Object state)
   at Microsoft.MasterDataServices.ExcelAddInCore.ExcelHelpers.ExecuteOnUIThread(SendOrPostCallback callback)
   at Microsoft.MasterDataServices.ExcelAddInCore.DataView.FinalizeUIOperation(Boolean mdsOperation)
   at Microsoft.MasterDataServices.ExcelAddInCore.DataView.<>c__DisplayClass53.<LoadData>b__51(IAsyncResult ar)
   at System.Threading.Tasks.TaskFactory`1.FromAsyncCoreLogic(IAsyncResult iar, Func`2 endFunction, Action`1 endAction, Task`1 promise, Boolean requiresSynchronization)
   --- End of inner exception stack trace ---
---> (Inner Exception #0) System.NullReferenceException: Object reference not set to an instance of an object.
   at System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous)
   at System.Windows.Forms.Control.Invoke(Delegate method, Object[] args)
   at System.Windows.Forms.WindowsFormsSynchronizationContext.Send(SendOrPostCallback d, Object state)
   at Microsoft.MasterDataServices.ExcelAddInCore.ExcelHelpers.ExecuteOnUIThread(SendOrPostCallback callback)
   at Microsoft.MasterDataServices.ExcelAddInCore.DataView.FinalizeUIOperation(Boolean mdsOperation)
   at Microsoft.MasterDataServices.ExcelAddInCore.DataView.<>c__DisplayClass53.<LoadData>b__51(IAsyncResult ar)
   at System.Threading.Tasks.TaskFactory`1.FromAsyncCoreLogic(IAsyncResult iar, Func`2 endFunction, Action`1 endAction, Task`1 promise, Boolean requiresSynchronization)<---

Rafael,
Is this still an issue?
Thanks!
Ed Price, Azure & Power BI Customer Program Manager (Blog,
Small Basic,
Wiki Ninjas,
Wiki)
Answer an interesting question?
Create a wiki article about it!

What will be physical architecture for SSAS Tabular model with Sharepoint 2013?

I would like to build SharePoint 2013 based reporting portal with Power View as visualization tool.
I have 300-800 million rows and customer puts priorities in high performance.
Data source is SQL Server database and Flat Files.
What will be recommended physical archicture? Is following good?
-SQL Server database server
-SSAS Tabular application server
-SharePoint 2013 Front-End (multiple if needed)
Kenny_I

Hi Kenny_I,
According to your description, you want to if it's OK to SQL Server database server, SSAS tabular application server and SharePoint 2013 Front-End on different server, right?
As I said in another thread, even though we can install all of them on same physical server, however in the production environment, the recommendation is that install them on different server, it will beneficial to troubleshooting the issue when some
issue occur on the environment. So in your scenario, it Ok to install all the application on different server. Here are some links about requirement to install the application.
System requirements for Power View
Hardware
Sizing a Tabular Solution (SQL Server Analysis Services)
If I have anything misunderstood, please point it out.
Regards,
Charlie Liao
If you have any feedback on our support, please click
here.
Charlie Liao
TechNet Community Support

Can't add multi exchange account on outlook 2010 with exchange 2013 Sp1

I did install exchange 2013 with DAG group successful, the exchange work fine now
Outlook can connect to exchange automatically and working fine
The problem appear when i need create the second exchange account by go to control panel/Mail add new profile and add new exchange profile
How can i solve the problem ?

This Problem in exchange generally appear when users mistakenly create the wrong account type or Outlook upgrades an older account profile.In these situations you need to remove that wrong account and create a New account .
When you have the wrong type of account configured in Outlook you can easily remove the account and create the correct type of account.
1 Go to Control Panel, search for the Mail. If you are using 64-bit Windows and 32-bit Outlook, it will be named as “Mail (32-bit)”
2 Double click on Mail (or Mail (32-bit)).
3 Click Email account button
4. Select the wrong account and click Remove. (If you only have one account listed in your profile,But you may need to create a New account first, set it as default then remove the wrong account.)
5. Click New, select Email Account for POP3 or IMAP accounts, or select other then the correct account type.
6. Fill in your preferred display name, email address and password on the Add New Account dialog.
Outlook will look for published account configuration for the domain and setup the account automatically.
In this event if your email provider does not publish autodiscover information, you’ll need to set up the account yourself. Check your mail providers support site for the proper configuration and then check the box to Manually configure the account at the bottom
of the Add New Account dialog.

Remove Exchange 2010 DC from single server environment coexisting with Exchange 2013

My new Exchange server (2013) has completed all the migration steps including public folders. Mail is working well. I do not use the old DC running Exchange 2010 for any local domain logins or computer control, it is strictly for OWA as is my new Exchange
2013. I went through the uninstall of Exchange 2010 with out error but cancelled it after it said it was ready to uninstall. When I shut down Exchange 2010 server mail no longer is available. What am I missing? I am using same Public IP and different
private (192.168.1.4 new EXchange 2013, 192.168.1.7 for Exchange 2010) I changed these settings in my asa Firewall and that is working with new settings as well. Send and Receive connectors are on new while old one have been deleted. Do my MX records
need to be updated to reflect new server (ex2) as opposed to old server name (ex)?
You can come to Maui for a "Site Inspection" lol!
System Admin

Hi
You need to make sure all your DNS settings are correct with the new server IP as well as autodiscover. Remove any routing connectors between exchange 2010 and 2013.
Not best practice to run exchange on a DC but if you comfortable you have migrated all system mailboxes, user mailboxes and that the settings on your new server match the old one then proceed with the uninstall.
Your ISP will obviously route mail to your firewall as you are doing the NAT from there.

WAN and multi-site data center

Dear all
my company have two different data center, one active data center, the second data center is not active, they are willing to go with active - active data center model, i am who responible to design WAN solution,
We almost success to make LAN for both DC act as one LAN data center,
now how to make two different site act as one from WAN prespective,
our WAN devices model is
ASR 1006, 7604 ( in each site)
what are the technologies used for such things
i hope anyone can help

Does anybody have aclue, link , i see 13 view with no replies, if anyone can help

Deploying Cisco Overlay Transport Virtualization (OTV) in Data Center Networks

Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions about how to plan, design, and implement Cisco Overlay Transport Virtualization (OTV) in your Data Center Network with Cisco experts Anees Mohamed Abdulla and Pranav Doshi.
Anees Mohamed Abdulla is a network consulting engineer for Cisco Advanced Services, where he has been delivering plan, design, and implementation services for enterprise-class data center networks with leading technologies such as vPC, FabricPath, and OTV. He has 10 years of experience in the enterprise data center networking area and has carried various roles within Cisco such as LAN switching content engineer and LAN switching TAC engineer. He holds a bachelor's degree in electronics and communications and has a CCIE certification 18764 in routing and switching.
Pranav Doshi is a network consulting engineer for Cisco Advanced Services, where he has been delivering plan, design, and implementation services for enterprise-class data center networks with leading technologies such as vPC, FabricPath, and OTV. Pranav has experience in the enterprise data center networking area and has carried various roles within Cisco such as LAN switching TAC engineer and now network consulting engineer. He holds a bachelor's degree in electronics and communications and a master's degree in electrical engineering from the University of Southern California.
Remember to use the rating system to let Anees and Pranav know if you have received an adequate response.
Because of the volume expected during this event, Anees and Pranav might not be able to answer each question. Remember that you can continue the conversation on the Data Center, sub-community forum shortly after the event. This event lasts through August 23, 2013. Visit this forum often to view responses to your questions and the questions of other Cisco Support Community members.

Hi Dennis,
    All those Layer 2 extension technologies require STP to be extended between Data Centers if you need to have multiple paths between Data Centers. OTV does not extend STP rather it has its own mechanism (AED election) to avoid loop when multiple paths are enabled. It means any STP control plane issue, we don't carry to the other Data Center.
    OTV natively suppresses Unknown Unicast Flooding across the OTV overlay. Unknown unicast flooding is a painful problem in layer 2 network and difficult to troubleshoot to identify the root cause if you don't have proper network monitoring tool.
   It has ARP optimization which eliminates flooding ARP packets across Data Center by responding locally with cached ARP messages. One of the common issues I have seen in Data Center is some server or device in the network sends continuous ARP packets which hits Control plane in the Aggregation layer which in turn causes network connectivity issue.
The above three points proves the Layer 2 domain isolation between data centers. If you have redundant Data Centers with Layer 2 extended without OTV, the above explained layer 2 issue which happens in one Data Center carries the same failure to the second data center which creates the question of what is the point of having two different Data Centers if we can not isolate the failure domain.
OTV natively supports HSRP localization with few command lines. This is a very important requirement in building Active/Active Data Center.
Even though your question is related to L2TP, OTV deserves the comparison with VPLS and those comparison will also be applicable for L2TP. The below link explains in detail...
http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9402/white_paper_c11-574984.html
Thanks,
Anees.

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