Exchange 2010 DAG replication issues - MSExchangeREPL 2153 + potential error while trying to Update-DatabaseCopy = Replication Network issue

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,...

September 10, 2014



My LOOKUP function does not always return matching values, help !!

  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...

July 30, 2014



Extra information for the attendees of the Exchange 2007/2010 Migration Workshop

  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;...

July 17, 2014



Aide-mémoire – memory-helper – How to delete IIS logs using Powershell (IIS logging can take GBs of disk space, watch out !)

 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...

July 4, 2014



Outlook antivirus exclusions (reminder)

 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...

June 20, 2014



Exchange 2013 – Paging File size guidance (Bookmark from Exchange Team Group)

  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.

June 18, 2014



Exchange 2013 Mailflow – complement to Richard Schwendiman’s schema - Get-ReceiveConnector and GUI correspondings – showing Exchange 2013 Receive Connectors and their default configuration values…

  Hey,   Just taking Richard Schwendiman’s awesome Mail Flow schema and put the corresponding Receive Connectors as we “see” them from either Exchange Management Shell (in the Green Boxes, results of Get-ReceiveConnector for Get-ReceiveConnector -Server e2013 | fl name,bindings,transportrole,permissiongroups,authmechanism) or Exchange management console (focusing on the “Security” section of the EMC)     In...

June 17, 2014



MSExchange RPCCLientAccess / MSExchangeIS –> RPC Averaged Latency – it’s always in milliseconds, not in seconds

  Here I’ll just show a few examples just to make it sure if you have a doubt, that RPC Averaged Latency counter(s) is/are in milliseconds always, not in seconds, whether you query the counter(s) via Perfmon or Powershell (get-counter). Perfmon in general always shows latency or times counters in milliseconds, usually in the format...

June 13, 2014



Quick perfmon check to detect potential memory leak in Windows

The below counters are just to be taken as indicators if you suspect a memory leak on your machine; there are other Tools that are designed for detecting precisely memory leaks, but you can start with understanding what Working Set – Private, Private Bytes and Working Set indicate and watching the below perfmon counters …-...

May 28, 2014



Outlook Shared calendars quick note – cache mode and online mode for Shared folders

Q: What’s the impact of a user having lots of Shared calendars opened or just configured in his Outlook profile ? Is the calendar connection opened “on access” or is the connection made everytime the user opens Outlook ? What if the Outlook (2010, 2013) user has checked the “download Shared folders” to cache all...

May 28, 2014