It appears that i have fixed it. What I did was "mark the application for deletion" in meraki. This removed it from meraki. I then went onto the VPP section in meraki and did a sync. Then, switching to the the "apps" section, i clicked Import -> Licensed ISO app. The application was displayed, still saying 0/2 licenses available. After adding it, it still said 0/2 licenses available, but in the VPP section I could no longer bring up the list of installed serial numbers. So just to try, I added the tag for the device i want it to install on. Waited a few minutes and refreshed the app page. It now says 1/2 licenses available and has applied the license to the correct device now! so basically, delete application from meraki, re sync to VPP and re import. Then re add to the device and for some reason this caused everything to fall back into sync. Thanks all for your good advice. Hopefully this helps someone else going forward. Up until the very last step, where i re-assigned the application to the device, it was still saying the wrong license count.
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mr jared, you are quite right that needs to be set. that is why we always set it. i dont set "auto grant users in scope" because i dont think that has anything to do with device licenses. And we do have some "user" licenses and i dont want to auto grant it to those nessecarily. but its set as you said and still does not revoke it. and on the application itself. But yes i fully hope that it is a problem with my configuration and not a limitation on apple. I grant and revoke licenses all the time successfully. The only difference here is the devices that i want to revoke from are not longer active (destroyed, rma'ed, whatever you want to call it). I really hope the licenses dont go with them. I mean what if they were stolen? there has to be a way to revoke. i can see the old serial numbers even! so the system is aware of the devices where it is licensed to. i just need to figure out how to unlicense from those SN.
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Ok, so here is the situation. I have replaced an ipod that had a defective battery with another one. I removed the old ipod from mdm as it went to the great apple store in the sky. I go and try and add the licenses to the new ipod and it tells me the following "Error: Could not retrieve license for the app with iTunes Store ID", and on the device page i get " error: Could not retrieve license for the app with iTunes Store ID XXXX" So ok, i go to the application, but under device licenses there is nothing. However it says 0/2 licenses available. As you can see, this is the second time this happened. Last time i just re bought the application to get around this, but this time I am going to get to the bottom of it. I can see the serial numbers for the devices that the application is licensed to. Neither of the serial numbers are in meraki anymore (ipods are destroyed). How do i revoke or reclaim these licenses? i checked on the apple VPP account and i cant see any way to do it from there. I have two different applications that have this problem currently, so its not an application problem. How do i reclaim a license when the device is long gone? i can see the old serial numbers as you can see below.
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