Author Archives: jasonsherry

About jasonsherry

I am a 20 year Exchange consultant and expert. I currently work for Commvault as a Solutions Specialist for Microsoft Infrastructure For more info see my resume at: http://jasonsherry.org

Exchange Server 2016 “requires .NET Framework 4.5 or later” error

Recently I was trying to address and issue with a corrupted arbitration mailbox. The quick fix for this issue is to delete these mailboxes and the system accounts used by them and run “setup.com /PrepareAD” to recreate them. When I … Continue reading

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Microsoft Teams is out

Tony Redmond just posted this great write-up on his views and details on Microsoft Teams, which is Office 365’s answer to Slack. I’ve been using Slack for over a year and a half and look forward to working with MS … Continue reading

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URGENT: Hold off on deploying Exchange 2016 on Windows 2016

Exchange 2016 CU3 was the 1st version of Exchange supported on Windows 2016 when it was released on 9/20/2016 [Exchange 2013 & 2016 quarterly updates out]. This was a minor update, biggest changes are the support for Windows 2016 and indexing … Continue reading

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Don’t let your O365 tenant get hijacked! An example of this happening…

Don’t let your O365 tenant get hijacked Continue reading

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Exchange 2013 & 2016 quarterly updates out

11/7/16 Added a “Known & Possible Issues” list 11/4/16 Urgent Update: Do NOT deploy Exchange 2016 CU3 (or earlier) on Windows 2016 at this time. See URGENT: Hold off on deploying Exchange 2016 on Windows 2016 for more details. Today, 9/20/2016 Microsoft … Continue reading

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Calendar Sharing across Devices w/ Exchange or EXO/O365

Starting in Exchange 2010 you have been able to share your calendar, if enabled at the organization level, with anyone on the Internet anonymously. This can still be done today with Exchange 2016 and Office 365 in the ICS (iCAL), … Continue reading

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Exchange 2016 CU2 and 2013 CU13 are out

Microsoft released the latest update to Exchange 2013 and 2016 on 6/21/2016. No major changes, but the DAG auto rebalancing and finally .NET 4.6.1 support are much desired changes. The new DAG feature is important to larger environments and the … Continue reading

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