Exchange 2013 Cumulative Update 11 – Install it or not?

On December 15, 2015 Microsoft has released Cumulative Update 11 (CU11) for Exchange Server 2013. Okay, I’m a little late with this one, but I wanted to wait some time to see what would happen with this CU….

Note. You can download Exchange 2013 CU11 at https://www.microsoft.com/en-us/download/details.aspx?id=50366, the accompanying UM Language Pack files can be downloaded from https://www.microsoft.com/en-us/download/details.aspx?id=50365 and this is the office Microsoft announcement: https://support.microsoft.com/en-us/kb/3099522. But please, read on before starting to download and install Exchange 2013 CU11.

Now, about this CU….. Microsoft introduced a new feature in CU11 called Mailbox Anchoring. This means that an Exchange Management Shell will no longer connect to the Exchange 2013 server you’re logged on to, but it will be proxied to the Exchange server hosting your current Mailbox. This can be challenging in a mixed environment.

Continue reading Exchange 2013 Cumulative Update 11 – Install it or not?

Change SMTP mail flow in hybrid scenario

After building a hybrid Exchange environment as outlined in a couple of previous blog posts we have an Exchange 2013/2016 environment where some Mailboxes exist on-premises and some Mailboxes exist in Exchange Online. Autodiscover is still pointing to the on-premises environment, and so are the MX records. Inbound SMTP mail flow from the Internet is still accessing the on-premises Exchange 2016 Edge Transport servers before being delivered to the intended recipients.

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Figure 1. The Exchange hybrid environment with Mailboxes on-premises and in Exchange online.

Continue reading Change SMTP mail flow in hybrid scenario

Upgrade Hybrid Server to Exchange 2016

I’m running a coexistence scenario with Exchange 2013 and Exchange 2016 without too many issues. My hybrid server is running on Exchange 2013 from the beginning, and it is time to upgrade this server to Exchange 2016.

If you have configured your Exchange environment correctly the hybrid server is nothing special. In my environment the hybrid server is just used for sending SMTP messages between Exchange Online and Exchange on-premises, and it is used for migrating Mailboxes back and forth.

Upgrading the existing Exchange 2013 hybrid server to Exchange 2016 is actually just a matter of installing a new Exchange 2016 Mailbox server, configure it correctly like the old Exchange 2013 hybrid server and rerun the Hybrid Configuration Wizard application.

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Figure 1. The new hybrid server (hybrid02) will be installed next to the old hybrid server (hybrid01)

Continue reading Upgrade Hybrid Server to Exchange 2016

New Hybrid Configuration Wizard

With Exchange Server 2013 CU9 and Exchange Server 2016 Microsoft has released a new version of the Hybrid Configuration Wizard (HCW). Instead of running the HCW online, it is now a small stand-alone application which is installed on the hybrid server.

Installing and running the Hybrid Configuration Wizard is so easy, initially I didn’t want to write a blog post about it at all. But writing one doesn’t harm, so here we go…

The HCW is only a configuration tool, it configures both Exchange 2013/2016 on-premises as well as Exchange Online. It gathers information regarding the hybrid servers, where to deliver and receive SMTP messages and what certificates are used.

To install the new HCW and reconfigure the hybrid configuration, logon to the Exchange Control Panel and click Hybrid:

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Continue reading New Hybrid Configuration Wizard

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