Microsoft Dynamics AX Technical Support Blog

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  • Blog Post: What to do if you have a crash

    This post is designed to give a simple set of steps to follow if you ever have a crash situation and you're not sure how to troubleshoot it. To identify the cause of a crash the most important piece of evidence or log is a memory dump file - you need to set something up before the crash to collect...
  • Blog Post: So your AOS crashed, is hanging, or you just want to see what it's doing

    Ever been in a situation where your AOS crashed? And all you had to show for it was a lousy event log message 1000 which didn't tell you anything except that it crashed? Or perhaps you've just wanted to see what your AOS is actually running at a given moment in time? It could be very useful to have...
  • Blog Post: Finding the AX user and the X++ call stack from a memory dump the easy way

    ******** Latest update 11-July-2011 ******** Scripts now allow class and table name resolution ******** This post explains how to find the AX user and the X++ call stack that caused an AOS crash - by using special scripts for WinDbg - before reaching this stage you need to first have captured a memory...
  • Blog Post: Finding the X++ call stack that caused a crash

    This post explains how to find the X++ call stack that caused an AOS crash - before reaching this stage you need to first have captured a memory dump, and then set up WinDbg ready to do some analysis, we have posts which explain both of those steps: Capturing memory dumps: http://blogs.msdn.com/b/emeadaxsupport...
  • Blog Post: Finding the AX user that caused an AOS crash

    This post explains how to find the ax user that caused an AOS crash - before reaching this stage you need to first have captured a memory dump, and then set up WinDbg ready to do some analysis, we have posts which explain both of those steps: Capturing memory dumps: http://blogs.msdn.com/b/emeadaxsupport...
  • Blog Post: Setting up WinDbg and Using Symbols

    Once you have collected a dump file, to analyse it you need to use a tool called WinDbg. In this post I am going to explain how to set up WinDbg so it's ready to debug a memory dump taken from a Dynamics AX process. If you're not sure how to create a dump file, just take a look at the post below, scroll...
  • Blog Post: Possibilities to create Memory Dumps from crashing processes

    Sometimes it happens that during regular operation the Dynamics AX Application Object Server (AOS) is suffering from an abnormal program termination , which is better know as a crash . Users connected with the Dynamics AX Client to the affected AOS Instance are noticing such an issue very soon as they...
  • Blog Post: Identifying damaged Table objects in the AOT MetaData

    It happens very seldom, but sometimes the AOT MetaData is getting damaged, especially for Table objects. Indications of such an element “corruption” can be that you have one explicit Table in the AOT and every time you access this object either the Dynamics AX Client or the Dynamics AX...
  • Blog Post: Identical AX 2009 AUC File Created For Multiple AX Installations

    We came across an issue recently where we had the same GUID for two different AX installations running on the same server and therefore only one AUC file existed for both installations instead of two separate ones for use by the AX Client. This caused various anomalies when the client was used to access...
  • Blog Post: The Dynamics AX Client sometimes terminates when displaying certain HTML pages in a Web browser control

    In Dynamics AX 2009 several Forms exists that have a Web browser control to display either dynamically created HTML content or show certain web pages based on the context of a selected record in a Grid. The Web browser control enriches the user experience this way. However sometimes it might happen...
  • Blog Post: Why does the server need to free resources and terminates client sessions?

    You might got into this situation before... you are working in the Dynamics AX Client as usual and all of a sudden you see the following warning message: Communication error The server needs to free resources. Your session has been terminated. After you click OK the Dynamics AX Client is closed...
  • Blog Post: Random clients crashes and/or AOS server instability

    Recently I had the problem that random clients crashed in different parts of the application. The following error message was shown: Communication error:The server needs to free resources. Your session has been terminated. In the application event log on the AOS server warnings with the event...
  • Blog Post: The Dynamics AX DB Upgrade Preparation Tool (AxDbUpgrade.exe) crashes after launching

    I was once launching the Dynamics AX DB Upgrade Preparation Tool (AxDbUpgrade.exe) on a Windows Server 2008. I was using the version distributed with the Dynamics AX 2009 DVD. The issue here was that the tool was crashing shortly after launching. In the Application event log I could find the following...
  • Blog Post: Dynamics AX 2009 Enterprise Portal requires Analysis Management Objects (AMO) for SQL Server

    I was recently installing a new Dynamics AX 2009 environment where I was having Enterprise Portal installed on a separate machine. When running the Dynamics AX Setup for the Enterprise Portal and Role Center role the installation completed with warnings. The DynamicsSetup.txt contained the following...
  • Blog Post: Problems during importing a new license file into Dynamics AX 4.0

    Recently we were confronted with the following situation during importing a new license file into Dynamics AX 4.0. During the import of the license file the Dynamics AX Client crashes. After a restart of the Dynamics AX Client no dialog can be opened. A permission error message is shown instead. ...
  • Blog Post: Side by side installation of Dynamcis AX 4.0 Client and Dynamics AX 2009 Client

    It is quite comon for a Dynamics AX developer to have multiple versions of Dynamics AX Clients installed on the same PC. However when you are having Dynamics AX 4.0 Client and Dynamics AX 2009 Client installed on the same machine you can run into issues, especially when you have installed Dynamics AX...
  • Blog Post: RPC packet size limit causes trouble in the Dynamics AX Document Handling

    The Document Management in Dynamics AX allows you to "attach" files to records of certain Dynamics AX tables. Those files are either placed on the File System (Hard Disk, Netwok Share) or stored within the Dynamics AX database in a BLOB field. For files that are stored in the database you can also specify...
  • Blog Post: AX Client Crashes on Startup

    I had a problem where for a certain user the AX Client would crash on startup, because of the nature of the problem it was difficult to get in to debug to see what the cause was. After a bit of digging around it turns out that info.workspaceWindowCreated() was the source of the problem, some dodgy custom...
  • Blog Post: AOS Service out of memory

    This week I saw an issue with an AOS which was consuming too much memory (~1.8gb) and then throwing users off. Put simply this was because in the server configuration utility, database tuning tab, the maximum buffer size was set too high. In my experience this is a commnon mistake. The field is actually...
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