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Archive for the ‘DAG’ Category

Exchange 2016 – Unable to add database copy

One of the issues on Exchange server 2016 when creating a new DAG and try to add a database copy you may receive the following error
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Datacenter Activation Coordination (DAC) Mode in Exchange Server

Datacenter Activation Coordination (DAC) mode is an asset of database availability group (DAG) which works using a new protocol called Datacenter Activation Coordination Protocol (DACP). (more…)

Exchange 2013: Unable to Create A Copy of the Database

I was working on the issue where someone messed up the database. Only 1st copy was mounted and other copies were not healthy. (more…)

Exchange 2013 SP1: Impossible to Convert IP Less DAG to IP DAG

Recently I came across with an issue where situation demanded to convert an IP Less DAG to IP DAG. I am sharing the experience so that you are aware about the technology and plan better.
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Exchange 2013/2016: Create IP Less DAG with SP1 – Another Step to Simplification

Exchange 2013 has already been so revolutionary and the recent release of service pack 1 made it more exciting. Let us see how to create the simple Database Availability Group (DAG) cluster without any cluster IP. (more…)

My 1st Blog at blogs.msdn.com

Recently Microsoft accepted my blog on Windows 2012 R2 and Exchange 2013 SP1 to publish at blogs.msdn.com.

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Exchange 2013: Recover a DAG and DAG Node from crash Part 3

In this blog we will focus on bringing DAG node back in the DAG. (more…)

Exchange 2013: Recover a DAG and DAG Node from crash Part 2

In this blog we will talk about the issue “Databases are not mounting after crash”. (more…)

Exchange 2013: Recover a DAG and DAG Node from crash Part 1

Today I was in a situation where my system admin restarted the Hyper-V which had my DAG nodes and FSW servers. (more…)

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