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Wednesday, March 18, 2009 6:14 PM

What does "Active-Active" mean to MSMQ?

It is possible to read the documentation for clustering and think that "Active-Passive" means running MSMQ on just one node and "Active-Active" is spreading MSMQ across both nodes, giving you fault tolerance AND load-balancing. Unfortunately this isn't
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Friday, November 21, 2008 1:30 PM

Routing Support in MSMQ requires Enterprise Administrator privileges

One down-side of enabling Routing Support for MSMQ is that you need to be an Enterprise Administrator to install it, as can be seen from this Technet article: Installation permissions Message Queuing computer Permission level required Message Queuing
Posted by JohnBrea | 0 Comments
Tuesday, November 18, 2008 12:18 PM

Oil and water - MSMQ transactional messages and load balancing

A really common request is to load-balance MSMQ, either to "scale out" (adding more machines, as opposed to "scale up" by enhancing the existing server) or for high availability. For load-balancing to work, the traffic must be stateless as there is no
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Tuesday, October 21, 2008 1:10 PM

Can MSMQ be deployed on an MNS Cluster?

What the question is really asking is whether or not you can install MSMQ on a cluster without a traditional shared disk and make use of the Majority Node Set (MNS) method of keeping disks in sync instead. Looking at a selection of points from this clustering
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Tuesday, July 08, 2008 1:35 PM

MSMQ now able to listen to multiple IP addresses on a cluster

In the past, a clustered MSMQ service could only listen on one IP address. This was because MSMQ depended on the network name which in turn could only depend on a single address. In Windows 2008 the address dependency has been changed and now you can
Posted by JohnBrea | 0 Comments
Wednesday, June 04, 2008 12:45 PM

MSMQ messages using HTTP just won't get delivered #14

Another KB article has been published for MSMQ over HTTP: 941754 Incoming messages may be rejected by the queue manager on the cluster after you configure the clustered instance of Message Queuing to use HTTP messaging in Windows Server 2008 The principle
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Wednesday, May 14, 2008 11:08 PM

MSMQ likes drive letters

May seems to be MSMQ KB article month and there's still another half-dozen in the pipeline. This one is so tiny I might as well include all of it in this post: A clustered storage resource that does not have a drive letter may not be compatible with a
Posted by JohnBrea | 0 Comments
Monday, February 18, 2008 2:53 PM

Clustering MSMQ applications - rule #1

[[Updated 6th October 2008 to add KB198893]] Just a quick post about one of the main gotchas. A common misunderstanding can be over which MSMQ service is doing the work. On a simple 2-node MSMQ cluster there will be three instances of MSMQ: Running on
Posted by JohnBrea | 5 Comments
Monday, September 17, 2007 11:31 AM

Insufficient resources with multiple instances of MSMQ

There's a new MSMQ KnowledgeBase article out trying to compete for the "longest title award": 940960 Error message when you run multiple instances of Message Queuing 3.0 in a Windows Server 2003-based cluster: "There are insufficient resources to perform
Posted by JohnBrea | 0 Comments
Wednesday, August 22, 2007 3:35 PM

Why is there a 4MB limit on MSMQ messages?

Here's a request I've received from Dhaval Patel " I would really like to see some blog entries on how to handle messages greater than 4MB. I have heard some colleagues mention 'COM Wrappers' but I don't like the idea. To begin with, most of us were thinking
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