Click, Boom…

MSMQ is a very robust product and people expect it to be able to look after data no matter what. To test that it does, customers can perform scary tests like hitting the power switch while the server is running. Obviously a power cut is a real-world event and customers should not expect to lose…

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MSMQ messages using HTTP just won’t get delivered #2

After a long while trying to work out what was going wrong with another customer’s system, I finally cracked it. There were two servers and we could send messages between them in one direction but not the other. Messages would happily go into the outgoing queue and then disappear. The first place I looked was…

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Insufficient Resources? Run away, run away!

What is the MSMQ problem that you are most likely to encounter? The dreaded “Insufficient Resources” error. Unless you have a working knowledge of how an operating system actually operates then this error is going to cause mass confusion. For starters, which resources does it mean? Disk space? No, that has GBs free. Memory? No,…

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MSMQ messages using HTTP just won’t get delivered

I’m starting off the blog with a discussion of an unusual problem that has hit a couple of my customers this month. It’s not a problem you’d expect to bump into and the solution is potentially painful. Scenario You want to make use of the HTTP protocol to send MSMQ messages from one machine to…

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