CISCO Virtual WLC rehost issue

We are running CISCO virtual WLC release 7.6.100 on VMware VSphere 5.5 with two ESXi hosts and VMotion. Physical environment: HP Blades, SAN.  When we use V-Motion technology to rehost vWLC, licenses for all access points are gone right after the first restart. Every time we have to call CISCO to retrieve new license file. Cisco engineers never explained to us how to resolve this without having to call them every time. They referred to VMware issue. Moreover, CISCO does not have any procedure to revoke licenses on Virtual WLC to later restore on the rehosted vWLC. They only have this procedure for physical WLC. Thank you.
csinowAsked:
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Craig BeckCommented:
By design the server should never need rehosting as long as it's in the same VMWare environment.  The only time you would need to rehost is if the OS dies for some obscure reason such as data corruption, however a backup should sort that.

Are you just migrating the vWLC to a different ESX host in the same cluster?
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csinowAuthor Commented:
We are migrating it in the same cluster. The VSphere structure is: one ESXM and 2 esxi servers on 2 blades. We had several reasons to rehost vms ( blade server maintenance, VMware version upgrade, etc.). We also use backup. After restore from bakup also all licenses are gone. There is no problem to call Cisco, but last time they solved our ticket several hours. Every time after rehost vWLC got new serial number (MAC is the same). Cisco said that new serial number means new licenses.
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Craig BeckCommented:
Apparently this is a bug... Cisco TAC should know that...

https://supportforums.cisco.com/discussion/12237181/cisco-wlc-virtual
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csinowAuthor Commented:
Thank you for link
We will update for 7.6.120. Cisco says it will fix this bug
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