I have telephones 7911 and I am trying enable mobile client (Jabber for Android and Iphone) for users.
I use CUCM 8.6 and enhance license for all telephones.
I bought adjuncts licenses for enable Jabber on the phones, but when I go enable the second device (Jabber) apear a message "Update failed. The device must use the same or less DLUs as their primary phone."
Adjunct licensing only allows 2 devices to be associated with a particular Primary Phone, if you have more than 2 devices configured to use the same Primary Phone, then you'll need a full license for the additional devices.
For your specific error, the 7911 consumes 3 DUL, while the Dual Mode for iPhone or Dual Mode for Android consume 4 DUL. And since the 7911 uses less DULs, we cannot use it as a sole Primary Phone. So for adjunct licensing, you'd need to associate the Mobile Jabber client with a Physical Phone that consumes at least 4 DUL; or use a full 4 DUL to enable each mobile Jabber.
You can view the DUL consumption for the various devices in the Cisco Unified Communications Manager adminsitration pages. Simply navigate to System > Licensing > License Unity Calculator.
If the enchanced license you purchased should allow for the adjunct licensing of the Jabber clients for mobile, I'd recommend contacting your sales rep or TAC to get it straightend out.
From the server license enforcement, it's looking strictly at the amount of DULs for each device and reporting the error based on that. It does prohibit certain configurations because of this, and there's no quick workaround to get by this limitation. This blurb may help explain why it functions this way:
You don't need to have a Primary Phone configured on the Dual Mode for iPhone/Android for the device to share the same DN/enduser. It's really only used to trigger Adjunct lisensing for the secondary device.
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