Hi all, a quick word about this SSL 3.0 vulnerability and Exchange Server, as there is nothing specific to Exchange regarding our recommendations. Microsoft Suggested Actions to mitigate or eliminate the SSL 3.0 vulnerability are to disable 3.0 usage on clients (browsers, devices) and servers, although this vulnerability is not a huge security threat, in the sense … Continue reading Vulnerability in SSL 3.0 – Poodle attack and Exchange 2010 or Exchange 2013 →

    Intro: In this article, I’ll provide a quick reference guide and an Excel-based tool that allows you to build monitoring consoles using HTML without being a scripting star.  I call it the Document-Tool-Walkthrough (DTW). This is a new concept document/tool built using Excel that can help you to build System Monitor consoles that … Continue reading Generating Perfmon consoles with a bit of Excel, a bit of Powershell, a bit of VBS and a bit of HTML code →

Adding the above issue on my blog to help me remember as I forgot the commandlet to check for replication network communication issues between members of a DAG (damn limited memory of mine) – may be valid for Exchange 2013 as well (have to double-check this on my lab when I’ll have time between kids, … Continue reading Exchange 2010 DAG replication issues : MSExchangeREPL 2153 + potential error while trying to Update-DatabaseCopy = Replication Network issue →

 Lost of times I work with Excel to make statistics, build nice operational Exchange dashboards, and I make a very intensive usage of LOOKUP and VLOOKUP. Since I recently lost valuable time trying to figure why a LOOKUP would not return me the values I want, or sometimes it did, sometimes it didn’t, I finally … Continue reading My LOOKUP function does not always return matching values, help !! →

  Hi all,   Thank you very much for your attendance and your kindness during our Exchange 2007/2010 migration workshop. As promised, and as it’s easier for me to share these through my blog as you guys already got the address, below is the link to the extra-slides that I showed you during the workshop; … Continue reading Extra information for the attendees of the Exchange 2007/2010 Migration Workshop →

 Hi all, A quick “tip” that can be useful as IIS logging usually generates GB of files that we don’t necessary monitor, and I thought it was important enough to write a quick post about it, as I got lately several examples of customers for which C: free drive space fell below 10%; You may ask … Continue reading Aide-mémoire – memory-helper – How to delete IIS logs using Powershell (IIS logging can take GBs of disk space, watch out !) →

 Hi all, Here are a few examples of which issues you can expect as well if some software are preventing access, even temporarily, to Outlook Cache mode files:- a manager with many secretaries who have delegations rights on this manager’s mailbox, and who organize meetings on behalf of the boss – inconsistencies will arise overtime on … Continue reading Outlook antivirus exclusions (reminder) →

  Just pasting the new Paging File size guidance on Exchange 2013 OS because we tend to forget the below new stance: Moving forward with Exchange 2013, we recommend a fixed pagefile of the smaller of RAM size + 10MB or 32,778 MB (which is 32GB + 10MB).http://blogs.technet.com/b/exchange/archive/2014/04/03/ask-the-perf-guy-sizing-guidance-updates-for-exchange-2013-sp1.aspx Thanks Jeff Mealiffe !Sam.