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Practical 365

Testing Connectivity and DNS Changes with a Hosts File

July 14, 2015 by Paul Cunningham 5 Comments

How to use hosts files on client computers for Exchange Server testing and troubleshooting scenarios.

Exchange Server DNS, Exchange Server 2010, Exchange Server 2013, Load Balancing, Migration

Testing Exchange Server 2013 Client Access Server Health with PowerShell

May 7, 2015 by Paul Cunningham 19 Comments

A PowerShell script for testing the protocol health of Exchange Server 2013 Client Access servers.

Exchange Server CAS, Client Access, Exchange 2013, Health Checks, Load Balancing, Managed Availability, PowerShell, Scripts

Logging Client IP Address in IIS When Using Load Balancing with Source NAT

April 27, 2014 by Paul Cunningham 25 Comments

Two options for logging client IP addresses in IIS when using a load balancer configured with Source NAT.

Exchange Server Exchange 2010, Exchange 2013, F5, IIS, Kemp, Load Balancing, Logging

Issues With Load Balancing SMTP Traffic

April 30, 2013 by Paul Cunningham 13 Comments

Load balancing SMTP traffic makes sense, but some load balanced configurations may actually diminish SMTP high availability, or even undermine security.

Exchange Server Exchange 2010, Exchange 2013, Load Balancing, Security, SMTP

A Look at the Kemp LoadMaster VLM-100 for Exchange Server 2010 Load Balancing

November 24, 2012 by Paul Cunningham 16 Comments

A look at load balancing for Exchange Server 2010 using the Kemp LoadMaster VLM-100 virtual appliance.

Reviews CAS Array, Exchange 2010, HA, Kemp LoadMaster, Load Balancing

TechEd Video: Load Balancing with Microsoft Exchange Server 2010

October 3, 2011 by Paul Cunningham Leave a Comment

This video on Exchange 2010 load balancing is for one of the most in-depth sessions I attended at TechEd 2011.

Exchange Server CAS Array, Exchange 2010, Load Balancing, TechEd, Videos

How to Correctly Use Multiple Smart Hosts to Load Balance Outbound Email for Exchange 2010

June 17, 2010 by Paul Cunningham 20 Comments

A common misconception is that outbound email can be load-balanced for Exchange simply by provisioning two equal cost Send Connectors, either using DNS to route directly or routing via a smart host for each Send Connector.

Exchange Server Exchange 2010, Hub Transport, IP Reputation, Load Balancing, Send Connector

Recent Articles

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  • The Practical 365 Weekly Update: S2, Ep 8 – What to expect in 2021, Solarigate, TLS in Exchange and new Teams updates
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