you are trying to find the most current Mitel MiCollab Client (formerly Unified Communicator Advanced UCA) on the internet, you are looking in the wrong place.  You already have it.  It is stored on your Mitel MAS server.

To download the most current Mitel UCA build your hardware can handle just use this URL:

http://<your micollab server name or IP address>/ucs/dl/UnifiedCommunicatorAdvanced.msi

This took me quite some time to locate but in my case, UCA 6.0.422.0 worked just fine on Windows 10 Pro 64 bit AFTER I made a registry change to avoid the dreaded MiCollab CONNECTION LOST.

Note that the big change from v5 to v6 UCA is that it no longer requires the desktop to request a certificate from the MAS / MGB server.



Bababooey · November 15, 2018 at 10:38 am

Thank you! This ending my 45 minute search for the software.

Nikola · February 26, 2018 at 7:38 am

Works. Thank you.

kpangui · April 26, 2017 at 5:31 am

Micollab cannot be downloaded. thanks

    Ian Matthews · May 18, 2017 at 10:00 am

    Perhaps you are not licensed for it? I have never seen this fail.

SOLVED: Mitel UCA v6 MiCollab Client Connection Lost on Windows10 - Up & Running Technologies Calgary · October 12, 2016 at 4:29 pm

[…] If you want to download the most current Mitel MiCollab UCA desktop client, click HERE. […]

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