Next to Content Switching (which I recently wrote a post about), Citrix Netscalers can also do URL Rewrites. This enables us to simplify the OWA URL. First, be sure the Rewriting option is enabled by going into System, then Settings and choose Configure Basic Settings. Check the tick box for Rewrite After this, first make an Rewrite Action by ...

Next to F5, KEMP technologies and a lot of other network load balancing vendors there’s also Citrix with it’s Netscaler brand. Especially when an environment also has Citrix servers, it could mean that well scaled Netscaler devices are present and can also be used for other purposes next to Citrix Secure Gateway access. Obviously Exchange 2010 ...

If you find yourself unable to change the database path of an Exchange 2010 database, check whether it is part of a DAG. See the screenshot for the missing option: If so, you cannot move it. The solution is to remove all copies except the active. Now you can move the DB and Transaction log paths. Do note that you will have downtime! Changing ...

This is a follow-up post to Differences in Exchange Load Balancing recommendations by Microsoft and vendors. This post refers to issues I discovered and were discussed in that post. I suggest reading the previous article before reading this one. I also expect some experience with load balancers in combination with Exchange Server 2010. In ...

*** See my followup here Exchange, Load balancers and recommendations:  At TechEd North America 2011 Andrew Ehrensing (Solution Architect form Microsoft) presented the session “Load Balancing with Exchange Server 2010” (EXL307) for which the video and slides can be found here. It was an excellent session, a lot of useful information even if ...

For those who are using Exchange 2010 DAG and a Network Load Balancer, note that there is a small difference between RTM and SP1. If you choose to use static ports for your Client Access Servers, for the Address Book Services you would edit the Microsoft.exchange.addressbook.service.exe.config located in: “C:\Program Files\Microsoft\Exchange ...

When realizing a High Available Exchange 2010 environment, you automatically going to use DAG (Database Availabilty Groups). It is a different approach with previous versions of Exchange, who leverage server redundancy. DAG supplies us with mailbox database redundancy. When using a DAG the single point of entry for your clients and for all ...