Changing the IP addresses of Exchange 2013 servers in a DAG

A couple of months ago I had a request from a customer to change the ip addresses of all their Exchange 2013 servers because of network changes that they needed to do in their environment.  After reading the article written by Tzahi Kolber: Changing DAG & DAG members IP addresses we decided to use the…

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Exchange 2013 EDGE as a SmartHost with Basic over TLS authentication

Because I had a recent request to use an Exchange 2013 Edge server as a Smarthost with Basic over TLS I decided to share the steps I took to make this. Assuming we already have installed the Exchange and Edge server I started by reviewing this TechNet article : Configure Internet mail flow through an…

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Enable Free/Busy information between the Office 365 users from two different tenants, when the Autodiscover of one of them is pointing On-Premise

Introduction: If your organization has 2 major tenants under which user population is getting migrated, since the users would be placed into 2 different tenants free/busy information sharing is not enabled by default. Following document introduces the options and steps which are needed in order to have the Free/busy information shared between 2 tenants.  …

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4133 Database one datacenter health check failed. 4376 Database one datacenter available copy health check failed.

  “Every day brings a new challenge…” I am still convinced, that whoever said that first, was an Exchange Server Administrator… If you wake up one day and find these two beautiful events in your Application Logs, no need to wonder:   4133 Database one datacenter health check failed. 4376 Database one datacenter available copy…


Exchange 2013 Malware Engine Updates Troubleshooting

As we have introduced Anti-malware filtering by default in Exchange 2013 we have noticed that some Exchange servers fail to update the engines. We do have a couple of scripts designed to manage Anti-malware filtering, all these scripts are located in the Scripts folder of Exchange 2013 so you have to go the folder by…

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How to: RBAC

The topic of this blog is to achieve a RBAC-based solution through which we can limit, or split the access administrators have on a set of databases. In laymen terms we will have two groups of administrators: 1) The first group is able to access any database and perform actions on it (we will call…


OAB Download and BITS Service

I’ve recently stumbled upon a scenario related to downloading the offline address book which might cause confusion and hopefully this blog article will shed some light as to what is happening. All users started to complain that they are unable to perform a download of the offline address book and they are hitting the following…

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More on RBAC and customizing new roles for specific needs

RBAC roles are used by the new version of Exchange and some customers highly use them for achieving different tasks. However, when coming to the implementation or defining different management roles and entries, management groups, things are not every time that clear. By default, each user has the “Default Role Assignment Policy”, which grants the…


Exchange 2013 Managed Availability HealthSet Troubleshooting

Knowing how to deal with annoying HealthSet's was scary at the beginning of my experience with Exchange 2013. The new introduced feature called Managed Availability, is a built-in monitoring system that can take recovery actions that can cause serious issues trying to solve a small issue. There are 3 types of components that can be…

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