Exchange 2013: In place upgrade places components in an offline state.

In Exchange 2013 we introduced the concept of server component states.  This allows administrators a great deal of flexibility to control a server’s ability to service certain requests either partially or fully.  More information on server component states can be found here.   Normally when applying a cumulative update to an Exchange 2013 instance the…

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Exchange 2010 / 2013 – PAM and the Cluster Core Resources

At any given time, in every database availability group (DAG), there is one member that is responsible for the coordination of database actions across the DAG. This member is known as the Primary Active Manager (PAM). The current PAM can be determined by using Get-DatabaseAvailabilityGroup –Status, as shown below.   [PS] C:\>Get-DatabaseAvailabilityGroup -Status -Identity DAG…

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Exchange 2013 / Exchange 2010: Database availability groups with shared storage on Windows 2012 and Windows 2012 R2

Although Exchange no longer uses shared storage, it can be deployed in clustered environments where shared storage is used. The storage is not actually shared between nodes as was the case with traditional clustering. Instead, the storage is presented through traditional shared storage controllers including fibre channel and iSCSI.   When creating a cluster with…

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Exchange and Office 365: Mail Forwarding

Exchange Server and Office 365 offer many different options for forwarding messages to different recipients. Some of these options exist for users and others are for administrators. Administrators can also control how forwarding is handled within the organization.   The forwarding options available to clients and administrators are described below. Each of these methods has…

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Part 10: Datacenter Activation Coordination – My nodes not invalid!

The Start-DatabaseAvailabilityGroup cmdlet is used to restore failed nodes in a Database Availability Group (DAG) by joining the evicted nodes back to the existing cluster. When a node joins a cluster it is assigned a unique decimal value ID.  For example, the first node is assigned Node ID 1, the second node Node ID 2,…

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Office 365: Add an embedded link to an object in Outlook Web App

Outlook Web App offers the ability for users to add hyper links to certain objects within a message.  Commonly this feature is utilize when converting a text statement to a particular URL.  To invoke this feature the message author would highlight a section of text and select the Insert HyperLink   action on the toolbar….

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Office 365: Mail to deleted mail enabled user accounts results in NDR

Customers may have users with a security principal within their domain that do not have a mailbox hosted within their messaging solution.  In this event customers choose to mail enable the user accounts.  In an Exchange environment mail enabled users accounts appear in the address list as if a local mailbox exists but mail destined…

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Exchange 2010 / 2013: What constitutes a failure of the replication network…

In both Exchange 2010 and Exchange 2013, customers can deploy one or more replication networks in a database availability group (DAG).  There can be many reasons for using a replication network, but in most cases they are used to provide a dedicated log shipping channel between members of the same DAG.   As documented on…

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Office 365: More options button missing when configuring migration batch

In Office 365 mailboxes are migrated to the service by configuring a migration batch.  When establishing the move configuration settings a “More Options” button was present.  The “More Options” button allowed administrators to configure the bad item limit and large item limit when the migration batch is created.     In current versions of the…

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