MSMQ from the plumber's mate

MSMQ is part of your business' IT plumbing which makes you the plumber and I'm your mate.

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  • Blog Post: MSMQ on Windows Phone? Very unlikely.

    The announcement of Windows Phone 7 Series is going to cause some interesting problems for existing Windows Mobile applications that make use of MSMQ. Windows Phone is a Silverlight/XNA platform, as discussed here: Silverlight for Windows Phone Silverlight is the application development platform...
  • Blog Post: Understanding how MSMQ security blocks RPC traffic

    MSMQ makes use of several protocols to do its work, including: MSMQ - confusingly the protocol name is the same as the product name (although Microsoft Message Queuing is the preferred alternative. Not as snappy, mind). This protocol is for sending messages to remote destinations. RPC - used...
  • Blog Post: Big change for MSMQ newsgroup posters

    This announcement has been posted to all the Microsoft-hosted MSMQ newsgroups by my colleague Ed Hickey: Hello all, Today we are announcing that we have opened a new MSDN Forum for all topics of MSMQ. The new Forum is located at http://social.msdn.microsoft.com/Forums/en-US/msmq . We have...
  • Blog Post: Powershell script to create and delete MSMQ queues

    My colleague Sajay has put a Powershell script on his blog to help you create and delete MSMQ queues: Sajay's Blog
  • Blog Post: Support for MSMQ on Windows XP Embedded devices

    A few times now I've encountered people complaining that MSMQ isn't supported on Windows XPe. This isn't true - MSMQ has been supported on devices since Windows CE 3.0. What is actually happening is that the vendor of the device is not supporting MSMQ. Why this is the case is probably down to...
  • Blog Post: Highlights & Top Issues for MSMQ on the Microsoft Support site

    You'd think that by now I'd know where all the web content for MSMQ was on Microsoft.com but no. Here's the page for Highlights & Top Issues . Hmmm.... "Last Review : 30 July 2009" but the KB articles referenced are all at least 3 years old. I'd best find out who owns the page and get it refreshed...
  • Blog Post: Good MSMQ documentation

    A common request I receive is for links to MSMQ documentation. What I find is that people haven't looked at what's already available to them "out of the box", as the phrase goes. The Help that is shipped with Windows is comprehensive - even I don't know all of it - so don't worry about being able to...
  • Blog Post: MSMQ in Server Manager - "Now you see me, now you don't"

    Here's an oddity that one of my Japanese colleagues spotted. If you have installed MSMQ in Windows 2008 then you can open up Server Manager and see Message Queuing under Features: Next you add the Application Server role by installing something like the "Application Server Foundation" (which...
  • Blog Post: MSMQ complains it cannot serve any more Dependent Clients

    If you are seeing this error (or something similar): "MQError.DependentClientLicenseOverflow - Message Queuing server has reached the maximum number of dependent clients it can serve." then you will probably be confused as it is very unlikely that you are using dependent clients. You can...
  • Blog Post: Moving MSMQ applications from 32-bit to 64-bit archirtecture

    Migrating MSMQ applications from 32-bit to 64-bit systems shouldn't be a big deal. In theory you will probably be able to just recompile / redeploy as the public MSMQ APIs are not architecture-dependent. Other parts of your own code may be, though, so make sure you check the Getting Ready for 64-bit...
  • Blog Post: You can't move a delivered MSMQ message

    Quite often I see people discussing moving messages between queues and this mildly grates on my nerves. Delivered messages can't be moved out of the queue they end up in - the only thing you can do is delete the message, either through receving it, purging the queue it is in, or waiting for any TimeToBeReceived...
  • Blog Post: MSMQ branch missing in Computer Management

    Rob Fox has blogged today about how he resolved a problem where the MSMQ snap-in missing in MMC console . He found that re-registering the MQSNAP.DLL file did the trick. I've had a look at the support case archive and you may need to re-register ATL.DLL too first. It all depends on what the root cause...
  • Blog Post: How to tell if MSMQ is actually in use on a server

    Let's say MSMQ is part of your company's standard server build but you have been given the objective of removing the MSMQ service from those machines that do not require it. If you are handed responsibility for servers where there is no documentation and the previous support staff have moved on to other...
  • Blog Post: MSDN Video covering the removal from MSMQ 5.0 of the Windows 2000 client support service

    And 3rd in the trio created for Windows 7 / Windows 2008 R2, we have: Microsoft Message Queuing (MSMQ) - Removal of Windows 2000 Client Support Service where Nancy Strickland discusses the impact of installing Windows 2008 R2 domain controllers on Windows 2000 machines running MSMQ applications...
  • Blog Post: MSDN Video discussing improved queue handling in MSMQ 5.0

    Here's a short (3 minute) video from December covering an improvement on performance introduced in MSMQ 5.0. I'm not sure it's worth the coverage as the number of systems with vast numbers of queues is pretty small but there you go. Microsoft Message Queuing (MSMQ) - Improved Queue Handling ...
  • Blog Post: MSDN Video demonstrating MSMQ 5.0 and SHA-2 incompatibility

    Just noticed that MSMQ is featured on Microsoft Showcase as part of the "Windows 7 - Known Incompatibilites" series. Microsoft Message Queuing (MSMQ) - SHA-2 is the default Hash Algorithm, and how to overcome it This 8 minute video, voiced by Nancy Strickland , covers the changes to the default...
  • Blog Post: "Where have my MSMQ messages gone?"

    A reasonably common question, this. It is important to note that MSMQ doesn't lose your data. There's no hole at the bottom of a queue where small messages can accidentally fall out, never to be seen again. Instead MSMQ will discard messages in certain circumstances unless told otherwise. Here...
  • Blog Post: Transactional MSMQ on a cluster

    Before Windows 2008 (MSMQ 4.0) there was only one option if you needed to read messages transactionally on a high availability cluster - the application had to be clustered in the same resource group as the MSMQ service hosting the queues. This was because only local receive operations could be transactional...
  • Blog Post: Real-world application of MSMQ - Warthogs and laser tagging

    Over at PDC09, one of my colleagues, Paul Foster, had a chance to talk to Tim Higgins about his WiFi Warthogs and how they are controlled by MSMQ. (Well, they talked about a lot of other stuff too but MSMQ is definitely in there after 5:18). Here's the YouTube video explaining what the project...
  • Blog Post: Update released for MSMQ 3.0 Management Pack

    This week the Management Pack for MSMQ 3.0 (Windows 2003/XP) was updated to version 6.0.6615.0 . I would list the changes but, after looking at the documentation , there appear to be several pages of them although the following two would appear to be pretty useful: · Fixed a problem when working with...
  • Blog Post: Deleting Stale MSMQ Active Directory Objects

    [Sharing some information that comes in handy internally] If you have installed the MSMQ AD integration feature on a domain-joined machine but are unable to see public queues then you may have an orphaned MSMQ object in Active Directory. This is a common occurance in test labs where machines are reimaged...
  • Blog Post: "MSMQ Activation for WCF Workflow Service Application" article

    A new article has been released today which describes how to set up MSMQ activation for WCF Workflow Service Application hosted in Windows Activation Service (WAS). Overview In .NET Framework 4 and Visual Studio 2010, you can build pure Windows Communication Foundation (WCF) services, pure Workflow...
  • Blog Post: Building a Pub/Sub Message Bus with WCF and MSMQ

    Somebody mentioned a useful link to me today that I thought I would share: Building a Pub/Sub Message Bus with WCF and MSMQ This post was written last year by Tom Hollander, one of my colleagues down under. This was followed up by three posts to expand on the subject: MSMQ, WCF and IIS...
  • Blog Post: Deleting MSMQ Queues with PowerShell

    Here's a short blog post by Ivan Suhinin about deleting MSMQ queues with PowerShell: Friday, 13 November 2009 Delete all MSMQ queues at some PC with PowerShell
  • Blog Post: MSMQ and Silverlight - pardon?

    I was stalking the MSMQ topic on Twitter and found someone bemoaning the absence of MSMQ in Silverlight. This did cause me to reassess my (very limited) concept of what Silverlight actually was - a system for generating pretty graphical apps that competes with Adobe's Flash . Basically I found I had...
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