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April 2018 Question of the Month

  • April 11, 2018
DMARC is used to reduce what specific type of spam/phishing?
ANSWER: From address spoofing for your domain. April 2018 NYExUG Presentation on DMARC

January 2017 Question of the Month

  • January 6, 2017
Exchange Supports another type of file system (not NTFS), what is it? Bonus: what is permitted to use it?
ANSWER: Microsoft’s Resilient File System (ReFS) Practical 365 re: ReFS.

December 2016 Question of the Month

  • December 13, 2016
How many Exchange 2013 Modern Public Folders can be contained in the Primary Hierarchy vs Secondary Hierarchy?
ANSWER: The limit is 1,000,000 folders but 100GB maximum in a hierarchy. See this Microsoft TechNet article.

September 2016 Question of the Month

  • August 12, 2016
Does PowerShell for Office 365 exist? Meaning, is it possible to use PS commands against an O365 environment?
ANSWER: Come to the meeting or check the website following the meeting.

Yes, it is possible. It’s called Remote PS commands. And there are MORE PS commands against Office 365 than native Exchange. Amazing!

June 2016 Question of the Month

  • May 19, 2016
Did you know that Microsoft publishes a compatibility chart of LoadBalancers which have been tested with Exchange?
ANSWER: Here is the URL which shows LBs tested for Exchange 2010. https://technet.microsoft.com/en-us/office/dn756394.aspx

April 2016 Question of the Month

  • April 8, 2016
What was referred to as “squeaky lobster”? Hint: old timers might know this.
ANSWER: Relates to accessing a hidden performance counter in Exchange 5.5. http://blogs.technet.com/b/exchange/archive/2006/06/15/3394229.aspx

March 2016 Question of the Month

  • April 8, 2016
Does the recently announced DROWN SSL attack affect Exchange?
Windows 2012 and later IIS versions are not affected. OSes with IIS versions earlier are and SSL ciphers affected should be disabled per Microsoft KB245030 – Click HERE.

December 2015 Question of the Month

  • December 8, 2015
What roles exist in Exchange Server 2016?
ANSWER: 2: Mailbox and Edge Transport (for DMZ usage). Microsoft has switched over to consolidated roles now.

October 2015 Question of the Month

  • October 9, 2015
Our favorite webmail is changing names, but don’t worry, the acronym is staying the same. What meaning is OWA switching to?
ANSWER: “Outlook on the web”. As of 10/14/15, Microsoft has not announced an acronym.

September 2015 Question of the Month

  • September 8, 2015
For Exchange 2013, is there a maximum recommended memory amount?
ANSWER: A mere 96GB! I thought the limit was sky high, turns out .NET developers need to improve the memory handling and this caused issues for Exchange, hence the Microsoft recommended limit. Click HERE.

January 2015 Question of the Month

  • January 12, 2015
What is NodeRunner? Answer hint: It is the hardest working member of the family during a migration.
During a mailbox migration the NodeRunner process indexes/catalogs email so it’s searchable. This is why CPU is heavily used during this process.

November 2014 Question of the Month

  • November 7, 2014
Exchange 2013 released Cumulative Updates (CU) starting at 1 and currently at 5. What # did they skip?

April 2014 Question of the Month

  • March 17, 2014
In Cloud Hybrid mode, can the on-premise Exchange be A) Authoritative, B) Internal Relay, C) External Relay, or D) All of the Above.

March 2014 Question of the Month

  • March 6, 2014
Which role is returning in Exchange 2013 SP1? I’ll give you a hint it’s not Mailbox or Client Access.
ANSWER: Edge Transport (yes, same one which was in 2007 & 2010)

February 2014 Question of the Month

  • February 20, 2014
Does Azure support Exchange 2013 DAGs?
ANSWER: Not as of Feb 20, 2014. Exchange 2013 is not supported. So no Exchange = no DAGs. Trick question. Microsoft tried to get an Exchange witness server into Azure, but it ran into technical issues as noted here. http://blogs.technet.com/b/exchange/archive/2013/08/07/database-availability-groups-and-windows-azure.aspx