Exchange 2010, 2013, Office 365–Auto Mapping Feature: Audit Full Access Mailbox permissions on your environment before migrating

Hi all,       long time no see ! As these days, many companies are migrating their E-mail infrastructures either to Exchange 2013 or Office 365, we often see the behavior that after being migrated, some users’ profiles got automatically loaded with all mailboxes for which these users had full access permissions in Outlook….


Exchange client bandwidth consumptions – Watch out for false ideas about Outlook cached mode versus Outlook online mode regarding bandwidth !

Introduction When we talk about Outlook cached mode and Outlook online mode recommendations, there is a point we always miss, which is the Network bandwidth. Before discussing bandwidth, you guys know that we (Microsoft) recommend enabling Outlook cached mode at the first place, especially on these cloud days. Quoting: When to use Cached Exchange Mode…


News: Check out and download Exchange 2016 preview !

Download Microsoft Exchange Server 2016 preview here – Checkout the Exchange 2016 prerequisites here first. System requirements: Supported Operating System: Windows Server 2012, Windows Server 2012 R2 OS updates Updates: Windows Server 2012/2012 R2 .Net Framework: 4.5.2 Internet Explore 11, Microsoft Edge, Apple Safari (Latest), Google Chrome (Latest), Mozilla Firefox (Latest)   Quote from…


Exchange Server 2013 – Planning for Public Folders mailboxes according to user logon limits

Since there are some limitations for Exchange 2013 Public Folders, we will focus this little note on the User Logons supported limit, which is 2,000. I briefly mentioned this 2,000 user logons limit on the article about Public Folder limits increase since Exchange 2013 CU8 on a previous blog post. In Exchange 2013, you should…


Exchange 2013/O365 and Great Powershell Tips from Microsoft colleagues

I- Use “-Filter” parameter where available instead of “where” statements’ For example, the following commands provide the same results: Get-Recipient –ResultSize Unlimited | Where {($_.RecipientTypeDetails –eq "UserMailbox") –and ($_.DisplayName –like "*Zarka")} Get-Recipient –ResultSize Unlimited –Filter {(RecipientTypeDetails –eq "UserMailbox") –and (DisplayName –like "*Zarka")} In a large environment the first command takes an extremely long time to…


Reminder – Adding Exchange 2010 or 2013 snap-in using Add-PSSnapin not supported – Better use Remote Powershell (From RMilne)

  As a bookmark, my buddy Rhoderick Milne has written an excellent article about the best way to invoke Exchange PowerShell environment (other than loading the “Exchange Management Shell” itself from the Windows menus – for example, if you want to use a Windows Powershell session you’re currently in, or simply the Powershell Integrated Scripting…


Exchange (2010-2013) RBAC how-to – 2 useful links

  This post is just to outline 2 very useful articles to understand and use RBAC role model…   1- Daily operations and getting RBAC info (finding admin rights for a user, finding parameters, etc…) from our excellent and beloved Rhoderick Milne such ase in which RBAC role is a specific cmdlet (example, which RBAC…


Exchange 2013 CU8 published !

  Hi all,   Here is the link to download Exchange 2013 CU8, as well as some useful links and useful information.   DOWNLOAD link to the Cumulative Update 8 for Exchange Server 2013 (KB3030080)   Some notes from the Exchange Product Group Team as well   Exchange 2013 CU8 – some limits…


Quick note about the impact of FREAK SSL vulnerability on Exchange

UPDATE: Microsoft released a FIX resolving this SSL vulnerability in our software ! MS15-031: Vulnerability in SChannel could allow security feature bypass: March 10, 2015 Hi all,   Here is a note about the impact of FREAK (Factoring attack on RSA-EXPORT Key – CVE-2015-0204) vulnerability on Exchange (Microsoft Security Advisory 3046015 – Vulnerability in…