Which Edition of Windows is required for using SQL 2012 Always On Availability Groups

I want to use the new feature of having 2 secondary mirror replicas. the first secondary replica will be sync the second one will be async.
Currently I have SQL Enterprise license and Windows 2008 R2 Standard license.
Will I be required to upgrade to Windows Enterprise license to use Always On? (since this feature depends on Windows clustering?)
Can you please confirm if SQL Always On feature can be used on Windows 2008 R2 standard or not?
MSDNStudent Knows not much!

Always On is available with Standard Edition but it supports only 2 nodes.
AlwaysOn is a bigger umbrella which covers two features. AlwaysOn Availability Groups (AG) and AlwaysOn Failover Cluster Instance (FCI).
FCI for 2 node is supported. You can't use AG feature in SQL Server Standard Edition
Balmukund Lakhani
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Sql 2012 always on availability group use cases

i have setup the always on availability group between 2 sql servers.
in the primary site, my app is connected to the primary site.
The DB is in an always on group replicated to the secondary site.
so what is the use of the secondary replica for?
If the primary db server goes down, what will happen?
Can apps use the replica db? but its read only
what is the purpose of this?

I agree with David.
JonDoe,
What you are asking is known as "active secondary" in AlwaysOn
http://msdn.microsoft.com/en-us/library/ff878253.aspx
Automatic failover can be configured. Refer
http://msdn.microsoft.com/en-us/library/hh213151.aspx
Be aware of http://support.microsoft.com/kb/2833707
Balmukund Lakhani
Please mark solved if I've answered your question, vote for it as helpful to help other users find a solution quicker
This posting is provided "AS IS" with no warranties, and confers no rights.
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Author: SQL Server 2012 AlwaysOn -
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Clustering Pre-reqs for sql 2012 always on availability group

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I'm currently in the planning stages of building a sql 2012 alwaysON cluster on Windows server 2012. I'm a bit confused with some of the requirements.
Does windows 2012 clustering require a heartbeat network as well a nic that communicates with the domain?
For a 2 node 2012 always on sql cluster which type of cluster should I use? node majority? node majority plus fileshare?
thanks!

I found this information regarding SQL 2014. This could be helpful
"We strongly recommend that you use the same network links for communications between WSFC cluster members and communications
between availability replicas. Using separate network links can cause unexpected behaviors if some of links fail (even intermittently).
For example, for an availability group to support automatic failover, the secondary replica that is the automatic-failover partner must be in the SYNCHRONIZED state. If the network link to this secondary replica fails (even intermittently), the replica enters
the UNSYNCHRONIZED state and cannot begin to resynchronize until the link is restored. If the WSFC cluster requests an automatic failover while the secondary replica is unsynchronized, automatic failover will not occur."
source:http://msdn.microsoft.com/en-us/library/ff878487.aspx#NetworkConnect

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HT1846 which edition of windows 32 or 64 bit are supported by macbook pro late 2011

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How to install SSAS Cluster instance with Always On availability group(Standalone database instance) in same windows cluster servers

We have requirement like to Install the SSAS as Cluster instance where SQL Server Database engine was installed with Always On availability group.Please help me to how configure it
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Node1 and Node2 are in windows cluster
Node1 has SQL Server Database engine Instance1 as Standalone
Node2 has SQL Server Database engine Instance2 as Standalone
Instance1 and Instance2 configured for Always On availability group with Listener.
Now we have to steup SSAS instance with High availibilty. I know we have only option is to install cluster SSAS instance.
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1. How to steup Cluster SSAS instance in this servers.
2. Is this will have any dependancy on exisiting Listner name.
3. Is this affects the availiblity groups, if SSAS instance failed over to another node.
Thanks in Advance
Sriram

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Edwin Sarmiento SQL Server MVP | Microsoft Certified Master
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Which Edition of Windows is required for using SQL 2012 Always On Availability Groups

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