Updated Release of MS13-061 Security Update for Exchange Server 2013

Few days ago we wrote about security update MS13-061, after installation it caused few errors in Exchange 2013 environment.

We wrote about this here:

Exchange 2013 Security Update MS13-061 not recommended to install


This security update was removed from Microsoft Download Center on 08/14/2013

Today Exchange Team released updated security updates for both Exchange 2013 RTM CU1 and Exchange 2013 RTM CU2.


You can download security update here:


As always we recommend to test updates in lab environment first.

More information you can find on Exchange Team Blog

Microsoft Exchange 2013 CU1 offline help files

With CU1 for Microsoft Exchange 2013,  Microsoft released offline help files for Exchange 2013 CU1.

Files are available as offline, so you can view them without any problems, without access to the Internet.
You can download the files from the website:

Microsoft Exchange Server 2013 Help





Files are divided into two distributions of Microsoft Exchange 2013:



Exchange 2013 CU1 released KB2816900

Today 04/02/2013 Microsoft released CU1 for Microsoft Exchange 2013

Cumulative Update 1 for Microsoft Exchange 2013 can be downloaded here:

Exchange 2013 CU1 Download



Description of Cumulative Update 1 for Exchange Server 2013

CU1 for Microsoft Exchange 2013 is the last step for Exchange 2013 and Exchange 2010 SP3 coexistence.


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Microsoft Exchange 2013 CU1 delayed

What we need for coexistence Microsoft Exchange 2013 and Microsoft Exchange 2010 SP3 ?

CU1 for Microsoft Exchange 2013.

As Microsoft announced before, it should be available in Q1 of 2013.

Unfortunalely CU1 for Microsoft Exchange 2013 is delayed and now as we can read at Exchange Team Blog, CU1 is currently planned for April 2nd.

As the Exchange Team Blog indicated, they need time to improve functionality coexistence with Microsoft Exchange 2010.

This is a little disappointing, that CU1 has problems with coexistence with Exchange 2010, because this should be main feature which we need.

So now when we see how “good” were latest Rollups for Microsoft Exchange 2010, maybe we should be fear CU1 and new features which it will bring.