Polycom Cx700 Firmware Upgrade Lync

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So why would that it be available then to add on the lync server? Polycom could just as well not made it available as. We are trying to upgrade the firmware of. Hello everyone, I am new to the site and am looking for some assitance. I have a Polycom CX3000 Lync conference room phone that authenticates to. The firmware update files.The Lync File. Polycom Lync Phone Edition Devices. Appeared for Polycom CX series devices. Go in to the Lync Share.

Polycom Cx700 Drivers

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The Polycom CX700 phone ships with version 7577.4100 of the Lync Phone Edition operating system. It’s an older version, from OCS days. You can still use this phone with Lync Server 2010 and 2013, by installing the latest version of Lync Phone Edition.

However, attempting to upgrade it via the direct route fails. Turns out there’s an error in its upgrade path. We encountered this error, and after some online research plus talking to Microsoft, came to the solution.

Here it is, for your future reference! The Problem: CX700 Won’t Allow Upgrades OR Login Like all Polycom phones, the CX700’s OS is upgradeable. We found out about the latest version of Lync Phone Edition, Cumulative Update 7 (CU7).

Hey, new version! Let’s upgrade! Except we couldn’t. We tried logging into the phone for upgradingand failed. The phone stalled, eventually giving us a Certificate Authentication Error.

Polycom Cx700 Firmware Upgrade Lync

Why would the phone resist upgrading? Were we missing a setting? Did we have the wrong process? Time to find out. To the Internet!

Polycom Cx700 Setup

The Solution: CX700 Requires CU5 Before CU7 Thanks to a call to Microsoft and one of Jeff Schertz’s excellent blog posts, we discovered the problem. It’s an error between version upgrades of Lync Phone Edition. Microsoft has not listed this error on their websites, but they will confirm the error exists if asked. In order to upgrade to CU7, you must first install a prior update, Cumulative Update (CU5).