Differences in Exchange Load Balancing recommendations by Microsoft and vendors

Reading Time: 3 minutes *** 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 you don’t have to load balance with Exchange per se. For me it was an extra interesting session, as we just had implemented a load balancer with

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First day of TechEd North America 2011

Reading Time: 2 minutes As you may know, I’m at TechEd North America at the moment in a cloudy and surprisingly chilly Atlanta (GA). For a live feed, follow my twitter account @dmstork. I already arrived a few days early but wanted to use my time to check out the neighborhood and do some shopping, dining etc.. Now that sunday and monday are over and my first session of tuesday is about to start, I wanted to share my findings. The organization is great,

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Change in Exchange 2010 SP1 CAS static port configuration

Reading Time: < 1 minute 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 Server\V14\Bin” But with SP1 (directly installed or upgraded from RTM), the location has changed to the registry: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeRpc\ParametersSystem You have to make a new REG_DWORD with the value “TCP/IP Port”

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“My Site” button in OWA 2010

Reading Time: < 1 minute During a Exchange 2010 course, a student actually showed me a cool little feature I wasn’t aware of. If you enter the AD attribute “Web page” in Active Directory, that user will get an extra button in Outlook Web App. Pressing that button opens a new browser windows/tab and opens the page. Especially nice in combination with an Intranet or other important portal pages. This also works in Exchange 2007 OWA: Does anybody have an Exchange 2003 server to test

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Setting the Postmaster address in Exchange

Reading Time: < 1 minute Somebody asked me today, whether it is a good idea to set the postmaster address in Exchange. Well, short answer: yes! It's is even mandatory according to RFC 5321 section 4.5.1. For Exchange 2010 you will have to use the Set-TransportConfig cmdlet: Set-TransportConfig -ExternalPostmasterAddress <ExternalPostmasterSMTPAddress> For Exchange 2007 you will have to use the Set-TransportServer cmdlet for each Hub and Edge transport server: Set-TransportServer <TransportServerName> -ExternalPostmasterAddress <ExternalPostmasterSMTPAddress> For both Exchange 2007 and 2010, you will have to create a mailbox

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*update* Zarafa Web Access vs Outlook Web App

Reading Time: 6 minutes *** update 25/2/2010: Zarafa has contacted me with some additional info: The final release of the new Zarafa Web Access is expected end 2011 or beginning 2012 and will have a seperate versioning than ZCP itself. So, it is still in development and my and other feedback will be taken in consideration. 🙂 The Outlook Web Team has also responded and is looking into possibly integrating the Calendar Overlay functionality in Exchange. Yay! *** Recently, I’ve tweeted that I was

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OWA 2010 and browsers tidbits

Reading Time: 2 minutes I love Outlook Web App. It’s rich functionality, management capabilities via ECP and especially the multiple browser support for the Premium experience. Yes, you do not need IE for (almost) full functionality anymore. Exchange 2007 OWA Premium still was only supported by IE and I ended up using IE just for OWA2007. In my opinion, IE couldn’t compete with Firefox. After an upgrade to Exchange 2010 I fully jousted IE and went on to fully use Firefox with a full

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Fixing a broken OWA 2010 Virtual Directory

Reading Time: 3 minutes Several days ago a co-worker needed my assistance with a broken Outlook Web App 2010. A failed attempt to configure the root to redirect it to \owa unfortunately failed. Trying to repair it also failed and at the end OWA was broken. A restore did not fix the issue. Now, Exchange 2010 SP1 has the ability to reset Virtual Directories used by the Exchange Client Access Role. Unfortunately, this didn’t work. Trying to remove the OWA virtual directory with: Remove-OwaVirtualDirectory

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Can you easily restrict or accept messages to a Distribution Group?

Reading Time: < 1 minute Today’s question of the day is whether you can restrict users mailing to a specific Distribution Group in Exchange? Yes, you can. You can add users but also Distribution Groups to the list of who the Distribution List will accept messages from. The messages of members of the Distribution will then be accepted. A (mail enabled) Security Group is also possible and Query-based or Dynamic Distribution groups are also possible. Within the Exchange Console, go to the properties of the

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Exchange 2010 Mailtips not working with Outlook Anywhere users?

Reading Time: 2 minutes Today I fixed an issue where Outlook 2010 clients via Outlook Anywhere didn't get Mailtips, but OWA, internal and users connecting via VPN did get them. Mailtips are using the EWS IIS virtual Directory. As ISA 2006 was used (and it does not have Exchange 2010 wizard as I recall), I checked whether EWS was allowed by the publishing rule. It was. Also I checked the ExternalURL, most of the time this would have to be the same as the

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