This morning we published the first look at the Ignite session catalog providing you a better view of what to expect at Ignite . Ignite brings together the Exchange Conference with TechEd and other Microsoft technology events. By attending Ignite, you...

I’m happy to announce that the Exchange performance virtual team within Microsoft Support has produced some fantastic new performance guidance content for Exchange 2013 users, and it is now available on TechNet at http://aka.ms/Ex2013PerfContent . This...

The process of recovering deleted users or mailboxes in a hybrid or cloud-only organization can be frustrating. When dealing with these scenarios, customers would sometimes end up with multiple mailboxes for a single user, find that some emails are missing...

Back at the release of Exchange Server 2013 CU1 we made some necessary changes to the way OWA logoff works. Those changes had the unfortunate side-effect of breaking the way TMG spotted a user’s attempt to logoff, thereby breaking that scenario. Well...

I’m happy to announce support for use of an Azure virtual machine as an Exchange 2013 Database Availability Group witness server. Automatic datacenter failover in Exchange 2013 requires three physical sites, but many of our customers with stretched DAGs...

Over the last several months, I have been involved in several critical customer escalations (what we refer to as critsits) for Exchange 2010 and Exchange 2013. As a result of my involvement, I have noticed several common themes and trends. The intent...

S/MIME in Office 365 S/MIME (Secure/Multipurpose Internet Mail Extensions) is a standard for public key encryption and digital signing of MIME data. Configuring S/MIME in Office 365 is a slightly different procedure than configuring S/MIME on-premises...

Editor's Note : Updates added below for important information related to Exchange Server 2010 SP3 Update Rollup 8. The Exchange team is announcing today a number of releases. Today’s releases include updates for Exchange Server 2013, 2010...

We know that many of you are anxiously awaiting the release of our quarterly Exchange updates planned for November. Earlier today the Exchange Team decided to hold the release of these packages until December. We made this decision to provide more time...

Situation If transitioning your organization from a non-Exchange system such as Google or Lotus Notes to Office 365, you typically need to follow the IMAP migration path. As diagnosing and remediating any issues you might run into during such a migration...

What are we talking about today? In Exchange 2013 CU5 (yes 5, V, cinco, fem, and cinque) we started implementing changes to how Legacy Public Folder endpoint discovery will be performed by Outlook (for Windows) in the future. This work continues behind...

Note : Cumulative Update 7 (CU7) for Exchange Server 2013 will be released soon TM . Back in May , I discussed the changes we introduced in Exchange 2013 Cumulative Update 5. Specifically with CU5 and later, an OAB can only be assigned (or linked) to...

Today, we released updated versions of both the Exchange 2010 Server Role Requirements Calculator and the Exchange 2013 Server Role Requirements Calculator . The Exchange 2010 version is an incremental update and only includes minor bug fixes. You can...

This morning on The Official Microsoft Blog , we revealed more details about our unified technology event for event for enterprises in May. The event will be known as Microsoft Ignite. If you are one of the many MEC conference alumni this is the conference...

We wanted to give you a heads up that depending on the version of Exchange you are running, there might be some impact to either names of time zones that are changing on October 26, or the way that actual meetings are displayed in affected time zones...

In Exchange 2013 there are indices within a given mailbox database. The indices are created, maintained, and deleted by the Information Store Worker Process associated with a given database. These indices are not to be confused with the Exchange content...

Bulk mail is often mistaken for spam and is starting to become a larger problem for organizations. EOP is not very aggressive out of the box when it comes to bulk mail because this type of mail falls into a grey area. Some organizations will want to receive...

Occasionally I am asked the following question – how can I protect the messaging environment from a rogue administrator? There are essentially two concerns being asked in this question: How do I protect the data from being deleted by a rogue administrator...

Microsoft periodically refreshes certificates in Office 365 as part of our effort to maintain a highly available and secure environment. On September 23, 2014, we are making a certificate change on our Microsoft Federation Gateway that could affect some...

Yesterday, I, along with the rest of the Microsoft Exchange community, was shocked and saddened to learn of the untimely death of a colleague and friend, Andrew Ehrensing. For those that never met Andrew, he was truly one of a kind. With his smile, laughter...

Note: Some of the documentation referenced may not be fully available at the time of publishing of this post. Exchange Server 2013 Cumulative Update 6 (CU6) was released today and provides several important updates for modern Public Folders. This blog...

Note: We have learned that customers using Exchange Server 2013 and Exchange Server 2007 co-existence can experience an issue causing Exchange Server 2013 CU6 databases to failover. Please refer to KB2997209 for the specific scenario impacted. The...

The Exchange team is announcing today the availability of Update Rollup 7 for Exchange Server 2010 Service Pack 3. Update Rollup 7 is the latest rollup of customer fixes available for Exchange Server 2010 Service Pack 3. The release contains fixes for...

The Exchange team is announcing today the availability of Update Rollup 14 for Exchange Server 2007 Service Pack 3. This latest rollup supports recent DST updates. The rollup contains all previously released security bulletins and fixes and updates for...

download Update : On August 25, 2014, the pelnet.ps1 script was updated to fix a minor bug. EHLO Exchange community, It seems that PelNet has been well received and I’ve been receiving requests to add much wanted functionality to PelNet. So this article...