Availability Groups are a new feature of SQL Server 2012 that provide continuous data synchronization, automatic failover and secondary read access for one or many SQL Server databases.

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Replicate a database to one secondary replica, but not the other secondary replica using Availability Group

I have a 3 nodes cluster in an availability group. There are two databases on the primary node. One database I want to replicate to the 2 secondary nodes. Another database I just want to replicate ...
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1answer
61 views

DR option for SharePoint databases? ideas and experiences

First let me clarify that I am not looking for thoughts in terms what is the best or the bad options for a DR for SQL Server. I am just looking for for inputs from experienced people. We are running ...
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1answer
171 views

SSMS Registered Servers with ReadOnly Application Intent

We are working on SQL Server 2014 POC testing with AlwaysOn and one of the user asked about saving the configuration of SSMS with ReadOnly Intent using the registered servers in Local server group. ...
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363 views

Listener pointing to incorrect AlwaysOn Availability Group

All, Thanks in advance I have two instances of SQL Server 2012 SP1 on a three node WSFC with a HAdr group on each instance with a corresponding listener. Instance 1's listener points to Instance 1, ...
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35 views

Is there a TSQL command or another way to rename AOAG (Always On Availability Group)?

We have an AOAG named with "space" and I need to rename it to not have "spaces". It was created before my time. The 3rd party vendor tool does not work with AOAG that has spaces. There are about 40 ...
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921 views

Removing secondary replica from SQL Availability Group causes large log file

Due to an unforeseen hardware error, I had to take our secondary replicas down for maintenance. This was really due to a storage issue and, it was decided at a higher level, to purchase a new storage ...
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1answer
497 views

Fastest way to migrate database to AlwaysOn cluster

I want to make the fastest migration plan to move a SQL Server database in simple recovery from a standalone server (SQL 2005) to a two node AlwaysOn cluster in full recovery. Some databases are ...
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1answer
202 views

AlwaysOn SQL Server setup questions

I have a few questions regarding the setup of Always On HA, and Clusters. When you setup an AG, and it gets to setting up your IP address for the cluster how can I switch from using DHCP to a static ...
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1answer
88 views

Manual Failover with AlwaysOn availability group

We are planning to upgrade our SQL 2012 to SQL 2014. We currently use a mirror for our production databases but are planning to move to availability groups. We are going to be running 2 SQL Servers on ...
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72 views

CLR Assemblies and SQL Server Availability Groups

I have a SQL 2012 Availability group. On that I also have a database with a .Net assembly that is using PERMISSION_SET = UNSAFE. CREATE ASSEMBLY drawing FROM ...
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1answer
824 views

AlwaysOn Availability Groups go to Resolving status

We have a two-node cluster set up running SQL Server 2012 on Windows Server 2012 R2. The base cluster consists of only those two nodes. The quorum is set up as node + disk majority, with a shared ...
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1answer
379 views

Oldest unsent transaction alert for Availability Group

In SQL Server 2008 when using database mirroring, it was possible to set up alerts when the oldest unsent transaction exceeded a certain threshold. We could check the state of any database mirroring ...
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18 views

2012 Always on (AG only) Where should the Windows Cluster SIT?

2012 Always On and the Windows Cluster, shouldn't the Windows Cluster be on a separate server like the Domain controller/BackupDomainController? With Windows clustering Services on each node ...
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14 views

Login synchronization in 2012 AlwaysOn

I have a rather unique situation (or so it seems since there isn't anything I've found on the web about this). I have an AlwaysOn Availability Group configured without HA Failover, to an asynchronous ...
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19 views

Shrink MDF and LDF files when database is in always on SQL server 2014 [duplicate]

Can we shrink the log files in the SQL Server when the database are on always on feature?
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135 views

The Service Broker endpoint is in disabled or stopped state - AoAG - SQL Server 2012 - 15 minute interval

I receive this error message in SQL Server error log every 15 minutes. I have setup AOAG on this server. The database option "Service Broker - Broker Enabled" is turned on for the Blackberry related ...
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2answers
85 views

AlwaysOn Availability Groups back up schedules

We have AlwaysOn Availability Groups primary and secondary replicas where the secondary replica is preferred for back up jobs to take place as long as it is available. I created back up jobs on both ...
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1answer
30 views

AlwaysOn Listener and DNS

We have two DNS servers which replicate entried between them and we recently had a DNS issue where some of the listener addresses were removed from one of the servers only. At that point some of our ...
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2answers
37 views

Where is Connection String Located as it relates to Availability Group Listeners?

I am trying to teach myself about Availability Group Listeners and see that I need to update a "Connection String." I know that I have a connection string in my web.config file on the Web server, but ...
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35 views

Having trouble designing my preferred backup scheme

First some background: I have two Windows servers running MS-SQL-2014 setup in an availability group (synchronous auto-failover, preferred backup on secondary). They host many databases. Right now ...
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1answer
372 views

Changing feature on a database that is a member of SQL Server AlwaysOn availability group

Our developers need a change on a database that is in the Availability group (they need Service broker in one of the databases to be enabled) but when I try to do it I am getting error saying that I ...
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1answer
25 views

Can't create an Availability Group with Powershell when instance uses non-standard port

I am trying to create an Always On Availability Group with PowerShell, something I have done many times before but am hitting an issue now that I am using non-standard ports for the SQL Instance I ...
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1answer
129 views

ApplicationIntent=ReadOnly Traffic when no Readable Secondary Available

We have a SQL 2012 AlwaysOn Availibility Group with 2 nodes. We have synchronous commit between the 2 replicas. They are both set to accept ReadOnly connections when acting as secondaries and to ...
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2k views

Check the data latency between two Always On Availability Group servers in ASYNC mode

I have implemented Always on Availability Group in asynchronous mode between two servers primary and secondary. When i tried to check the data latency between the servers in performance monitor ...
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1answer
195 views

AlwaysON : Log_Send_Queue_Size is increasing but the log_send_rate keeps decreasing?

Question Why, despite the increasingly log_send_queue_size for these two databases, did the log_send_rate keep decreasing? There were no bandwidth issues on the network at this time, and no other ...
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46 views

Replacing Database in High Availability Group Enviroment

Looking for some advice regarding replacing a database within a SQL 2012 High Availability Group environment setup as synchronous with auto failover. A little bit of background on the reason for this. ...
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1answer
50 views

SQL AlwaysOn Data Sync

We are in the planning phase to implement AlwaysOn Availability Groups. What is the best practice to setup the file share for data synchronization? Network path or local machine (creating a share on ...
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2answers
6k views

Logins aren't syncing across Availability Groups

We have 2 servers in an AlwaysOn group. While the user accounts within each synchronized database exist on both servers, the database instance level logins only exist on one of the servers. Ie ...
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1answer
76 views

SQL Service Broker and AlwaysOn Issue

I'm having an issue setting up my current environment using AlwaysOn and SSB and I'll try to explain as best as I can here: Current environment: Server A Server B database x(Pub) ...
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41 views

Do I need a separate server for Quorum?

We are working on setting up AlwaysOn Availability Group for SQL Server 2014. There will be 2 nodes: 1 Primary Replica and another is Secondary Replica. The question is, do we need a separate server ...
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2answers
68 views

How many records should be deleted when batch delete is used?

I am going to migrate a large amount of data from one table to other table. The target data source table has foreign key constrains, so I am not able to use DELETE with OUTPUT clause, but need to have ...
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34 views

Alwayson Database Recovery Failure during TDE encryption

Last week I enabled TDE encryption on my AlwaysOn Availability Group databases of SQL Server 2012. During the encryption of one of the larger databases, bigDB (~200gb) a failover event occurred. Of ...
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1answer
103 views

AlwaysOn AG - CPU limitations

I’ve been trying to find out if the same CPU limitations database mirroring has apply to Availability Groups. My guess is that the same limitations exists, given that Availability Groups was built on ...
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1answer
46 views

SQL AlwaysOn Availability 2 synchronous nodes on either side of an asynchronous link

Say we have two datacentres, DC-A and DC-B. Say in each DC, there are two SQL servers. DC-A has SQL-A1 and SQL-A2 and DC-B has SQL-B1 and SQL-B2. Is it possible to have SQL with an AlwaysOn ...
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140 views

How to query readonly replica in Always On cluster

We have an Always On "cluster" that consists of 2 servers (there will be more), so one is PRIMARY and other(s) is(are) SECONDARY. The idea was to dedicate SECONDARY as a readonly replica, so it would ...
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1answer
87 views

SQL Server Availability Group Design Question/RFC

We are in the early stages of planning an upgrade/redesign of our SQL environment and I am seeking advice/feedback. The scenario: Current SQL Server 2008R2 EE on Windows Server 2008 R2, blade ...
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1answer
82 views

Restoring a Database in an Availability Group

I located an extremely helpful process outlined in the thread below, but needed some clarification. This may be a silly question, but I'm a bit new to Availability Groups. In the steps outlined in the ...
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2answers
152 views
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SQL Cluster, AlwaysOn AG, or Something Else? [closed]

I really needs some help with Setting up SQL servers. We are re-configuring our network and have no clue how to resolve our SQL issue. My Network Admin. wants an "Active/Active" with shared storage ...
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6k views

SQL Server 2012 AlwaysOn: need to automatically add databases by script- T-sql or PowerShell

I've installed and successfully configured our SQL Server 2012 AlwaysOn 2-node servers for our new "Intranet" that is coming out. I've gotten AlwaysOn working great, and our Front End servers for the ...
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92 views

SQL Server Management Studio with Multi subnet HADR cluster

We are starting to deploy Multi-Subnet HADR AlwaysOn clusters for our environment. Using MultiSubnetFailover=True in application connection strings works. However, SSMS connections require manual ...
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1answer
97 views

Availability Group: ReadIntent connection failing

I have two nodes configured in an AG group in a dev domain: node1.DevDomain.com node2.DevDomain.com My own workstation is on our production domain: MyMachine.ProdDomain.com When I test ...
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91 views

High Availability Error “An error occurred while receiving data: '10054(An existing connection was forcibly closed by the remote host.)'.”

I have trouble in configuring High Availability, I searched a lot but I was unsuccessful in fixing it. I got this error : "An error occurred while receiving data: '10054(An existing connection ...
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0answers
60 views

Migrating VLDB to AlwaysON AG

I have been using AlwaysON AG for a long time now and currently have about 10TB of data across 120 databases and 3 AG groups for any application that is on SQL 2012 with great success. Each AG group ...
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54 views

Sleeping queries blocking rebuild index and update statistics job in Always on

At one of your client sides we have configured Always on with synchronous mode.Also we have schedule rebuild index and update statistics job which runs in night every alternate day. the issue is ...
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1answer
86 views

Syncing Uncontained Objects with AlwaysOn Availability Groups

In setting up our HA environment (AlwaysOn AG), I came across the add-in ssms_2012_ag_addin_setup.exe that I got from SQLSkills. ...
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2answers
225 views

How AlwaysOn Availability Group secondary replica catches up with primary after secondary server long downtime

Can someone point me to the MS article or blog post that explains in details how AlwaysOn Availability Group secondary replica catches up with primary after secondary server long downtime? I did ...
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1answer
60 views

AlwaysOn with TDE

Recently, I setup an availability group with 3 nodes. The 2 synchronous nodes are on the same domain, "domain 1". The third asynchronous (DR) node is on a different domain, "domain 2". I have a new ...
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1answer
1k views

Restoring a SQL Server 2012 database in high availability

I have a database which is in always-on high availability mode synchronized with another database on a different instance. How can I restore from a .bak file into the primary database using T-SQL? ...
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Change Data Capture for Asynchronous Secondary Replica

MSDN states the following in Active Secondaries: Readable Secondary Replicas (AlwaysOn Availability Groups) for SQL Server 2014: Limitations and Restrictions: Change tracking and change data ...