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Which AX AOS Version and Which AX KB Do I have?

By Jackie Olson | November 2, 2015

There are times when its very important to know which AX AOS version and which AX KB you have installed. This blog gives you tips on how to find both.

1. How to find what your AOS version is and your AX client is:

To check the AOS version go to your AOS bin folder on your AOS server. By default the folder is here:

C:\Program Files\Microsoft Dynamics AX\60\Server\YourAOSName\bin

Right click on AX32serv.exe file, select properties > details tab, here you will see the product version

Note: You can also see the AOS version in the application event viewer on your AOS server by looking for event ID 149.

2. How to find out which KB you've installed to get to the above version:

Go to Control Panel on the AOS server, then Programs and Features click on View Installed Updates on the top left, then look for the Microsoft Dynamics AX 2012* components, the Object Server component specifically since we are interested in the AOS only in this case and note the most recent KB number and most recent date – here is an example (although not a very recent one):

jackie_kernalnumber

Cross check the above with your AX client on your RDS machine – so check the AX client property doing the same thing as above for the AX32.exe file in the client\bin folder. By default the AX32.exe file is located here:

C:\Program Files (x86)\Microsoft Dynamics AX\60\Client\Bin

NOTE:

When you are in an AX client, and you navigate to About Microsoft Dynamics AX, the kernel version you see here is the version for AX32.exe. This does not tell you the AOS version which is the AX32serv.exe.

It is important that all your servers in the same environment (example DEV, TEST, PRE-PROD, PROD) has the same kernel version across the board. Meaning all machines where you have Microsoft Dynamics AX components installed, should have the same kernel (KB) installed when you apply a kernel hotfix. So for example, if your AX TEST environment is using separate servers for the following SQL, SSRS, SSAS, AX AOS, AX Client and you have AX components installed on all the above servers, you will then need to install the kernel hotfix on all of those machines. To find out if you have AX components on a server, go to Control Panel> Program and Features> View Installed Updates and look for installed product names starting with "Microsoft Dynamics AX 2012"*

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