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How to Configure an Internal SMTP Relay Server for Office 365
Most organizations have internal application servers and appliances that send emails to users or groups. Examples include copier/scanners and application servers, such as backup servers that notify...
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Tips and Tricks for Adding a Domain to Office 365
There are three steps to adding a domain to your Office 365 tenant:Prove that you own the domain (aka domain validation or domain proof).Add users and assign licenses (optional).Set domain purpose and...
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4th Generation Hyper-V 2012 R2 Server for Around $1,200 USD - Parts List and...
In honor of the release of Windows Server 2012 R2, I've updated my latest server build using the latest components. You can use this home Hyper-V server to create your own private cloud, prototype...
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Exchange 2013 CU3 upgrade removes the ActiveSync virtual directory ExternalURL
Microsoft released Exchange Server 2013 Cumulative Update 3 on November 25, 2013. CU3 includes fixes for many customer reported issues, minor product enhancements and previously released security...
View ArticleExchange 2013 Client Access Coexistence with Exchange 2007
I do a lot of coexistence migrations for customers. The following guide explains how Exchange 2013 Client Access coexists with Exchange 2007 during a long-term migration.Note: If you are migrating...
View ArticleExchange 2013 Client Access Coexistence with Exchange 2010
The following guide explains how Exchange 2013 Client Access coexists with Exchange 2010 during a long-term migration.Note: If you are migrating from Exchange 2007 please see my companion article.Greg...
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Chrome or Firefox will not accept credentials when logging into ADFS server
You may find that Google Chrome or FireFox 3.5+ keeps prompting for authentication when you are redirected to your ADFS 2.0 server. This is also known to affect Fiddler. See "AD FS 2.0: Continuously...
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Troubleshooting TLS SMTP Connections to Exchange Online Protection
By default Office 365 uses Transport Layer Security (TLS) to send encrypted SMTP emails between Exchange Online and Exchange on-prem. This provides end-to-end encryption of emails between your on-prem...
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Pending Messages in Exchange Online Will Not Be Delivered
There’s a pretty big unpublicized bug in Office 365 transport that you need to be aware of. If emails cannot be delivered due to a problem with TLS those emails will queue in Exchange Online...
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Announcing the 7th Annual UC Roundtable at TechEd 2014, Houston!
I'm pleased to announce the 7th Annual UC Roundtable at Microsoft TechEd North America 2014 in Houston, TX! The purpose of the UC Roundtable is to gather Exchange and Lync admins, MCMs, MVPs, Exchange...
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MEC 2014 is Right Around the Corner! Are You Registered?
I'm very much looking forward to the Microsoft Exchange Conference March 31-April 2 in Austin, TX. I hope you can join me there! I'll be moderating three MEC Unplugged interactive sessions this year...
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Notes on the Windows 8.1 Update for Windows Server 2012 R2
Microsoft has released the Windows 8.1 Update to MSDN subscribers and is due to be released today to the general public. This update also applies to Windows Server 2012 R2 servers and includes some...
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The 'Heartbleed' Security Flaw - Are You Affected?
(CNN) -- A major online security vulnerability dubbed "Heartbleed" could put your personal information at risk, including passwords, credit card information and e-mails. Heartbleed is a flaw in...
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Tips for Connecting to Office 365 using PowerShell in Hybrid Environments
The Office 365 portal and Exchange Admin Console are fairly powerful to allow you to manage your tenant and on-premises environments. But as you are no doubt aware, there are many administrative tasks...
View ArticleFix for Exchange ActiveSync Failures After Migration to Exchange 2013
There’s a bug in Exchange 2013 that causes Exchange ActiveSync to fail for newly migrated users from Exchange 2010. It only affects migrated users who already have a mobile device configured, not new...
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Fix for ASP.NET 4.0.30319.0 - 3005 Event message: An unhandled exception has...
I noticed after installing Windows Updates the following warning in the Application Event log of all Exchange 2013 SP1 servers (abbreviated for clarity):Event 1309, ASP.NET 4.0.30319.0Log Name:...
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Reporting Outlook Client Versions Using Log Parser
I'm doing a little cross-pollination today. Chris Lehr, one of my colleagues at ExtraTeam, worked up a Log Parser script that produces a report showing all the clients versions connecting to Exchange....
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SMTP Firewall Requirements for Exchange Online
Most of my Office 365 engagements are hybrid projects connecting Office 365 with Exchange on-premises, and most are with larger companies concerned with securing the hybrid deployment. Exchange Online...
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Does your environment need an Exchange 2013 Edge Transport server?
I was asked to write an article for my friends at ENow Consulting, "Does your environment need an Exchange 2013 Edge Transport server?" The standard consulting answer applies: "It depends." If you're...
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How to delete duplicate Lync Contacts or Lync Contacts folders
A bug in previous versions of the Lync 2013 client caused Lync contacts to be duplicated in the Exchange Lync Clients folder. This makes it very annoying to work with contacts in Outlook, OWA, and...
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