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The installer doesn't support multiple instances. Is there any workaround for this? We have multiple AOS with different versions and the client is installed on the same machine. Every time we start the client we get "Internal version mismatch" warning in the event log.
Petr
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I am having an issue where I have a my 3 clients spread across 3 citrix servers. Those client kernel builds are 6.2.1000.1437. I use the citrix clients to load balance between 5 different AOSes. One of those AOS has a Hotfix that has increased the Service Kernel to 6.2.1000.3198. I am having frequent crashes with my AOS on 3198, and a fair amount of client crashes. Is it because of my Client and Server Kernels not matching? If so, can I upgrade the clients with the hotfix and then they would be backwards compatible with the 1437 AOSes?
Hi Tommy,
We have AX2012 R2 (6.0.158.0) and AX2012 R2 CU1 (6.2.1000.156) on the same machine. When I connect to AOS with AX 2012 R2, "Internal version mismatch" appears in the event log.
Petr
Do not mix versions of the kernel of the client and the service itself. If your service is using a kernel with as an example version 6.0.1108.2423 (AX2012 RTM CU4), then you should use a client with the same version. Any other scenario is not supported by Microsoft.
Do not mix AX2012 and AX2012 R2 on the same machine. They use a different version of the binaries (6.0.0.0 vs 6.2.0.0).
Kernel versions will increase the buildnumber (last digit) when installing updated CU or hotfixes. These will by design be backward compatible with the application version, as long as the two first version numbers match (6.0.1108.2423 - CU4 - kernel supports a 6.0.947.61 - CU1 - application version).
Version numbers:
blogs.msdn.com/.../overview-of-ax-build-numbers.aspx
More in-depth around Feature Pack versioning:
blogs.technet.com/.../dynamics-ax-2012-feature-pack-servicing.aspx
If your AOSes are on the 6.0 version, just keep the kernel at the highest version for both service and client. The kernel should be backward compatible with the application code in your various AOTs.
ther eis alot of useful information here: ajstudi0.blogspot.ae/.../installation-of-multiple-aos-instances.html
Hi Petr,
When you install multiple versions of AX on one machine, you have to know that some values are stored in the windows registry. There can be only one default version.
You can handle this by creating shortcuts opening ax32.exe (from a specific directory) and the appropriate configuration file in one link.
Another possibility is to use multiple machines per version, if possible of course.
If you plan to run one major version and multiple SP or CU versions you will definately have a challenge...
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Mohamed Amine Mahmoudi
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shanawaz davood basha
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