Even though ideally you would like to go directly to the latest and greatest CUCM version, unfortunately you may run across a you-can’t-get-there-from-here scenario – especially if you are looking at upgrading from versions of 6.x.
Cisco cucm 8.6 compatibility matrix upgrade#
Once you’ve confirmed hardware compatibility of your CUCM servers, you will need to check your upgrade path. That, and I’m sure it makes a really useful, if somewhat noisy, door stop. One note here, be sure to watch out for servers that are supported only for bridged upgrades – this means you can take the server up to the latest version, but the only thing it’ll be good for is to take a backup that can be restored onto a supported server. In this case, our sample server meets the hard drive specs (160 GB drives), but is going to need an extra two gig of RAM to make the leap into hyperspace. If you look at the sub notations on this already freaking fabulous chart (note sarcasm font), you will see indicators that while this server is supported, there are certain memory and hard drive upgrade considerations. The entire time chanting curses upon the chart creators.*Īs you can see, our example server does support CUCM 8.6 but there is both an X and a (2). I’ve been known to take a screen shot of the header row and a screen shot of my server model row and line the two up. Note that if you actually want to see your server model AND the headers at the same time, you are just out of luck unless you have a really, really large monitor or can read really, really tiny font. Find your model of server on this chart clearly constructed by evil forces seeking to wreak havoc on the universe: Step one is once again to determine your hardware compatibility. Moving on, let’s tackle the process of determining the upgrade path for CUCM: In the case of Unity Connection upgrades, you are going to want to look closely at the DiRT tool and the COBRAs tool to make the transition from the old to the new – there are excellent tutorials/instructions/information on this web page: We will want to confirm that our proposed Unity Connection version is compatible with both our current version of CUCM and our proposed upgrade version of CUCM – this typically isn’t an issue since Unity Connection plays very nicely with almost all versions of CUCM, but definitely a check you want to make: Yay, you! Specifically, it’s supported for Platform Overlay 1 which requires 4 gig of RAM and 2 250 gig drives. In our current example, you can see that this model of server is supported for versions of Unity Connection 8.x. In this case, you get to play the find-your-server-model on the Big Long List ‘o Compatibility for the version you want to go to – in this case I pulled up the compatibility list for 8.x of Unity Connection: Step one in the Unity Connection research process is to determine your hardware compatibility. The breeze with which this product installs in comparison to it’s predecessor will make you want to kiss your mother-in-law and hug your neighbor’s yappy little dog. In case you have been living under a rock, the reign of tyranny Unity has enjoyed over voice engineers has been given an official end date, so if you are looking to upgrade your voicemail server, Unity Connection is the way to go. Let’s start with determining the upgrade path for your Unity server: Let’s say in our example you have 5 unified communications servers in your cluster and are looking to upgrade to the latest & greatest versions of each product:Ģ Call Managers – MCS7825-H3 with 2×160 GB drives and 2 GB of memory running 7.0-2ġ Unity server – MCS7825-H3 with 2×160 GB drives and 2 GB memory running Unity 8.0Ģ UCCX servers – MCS7825-H3 with 2×160 GB drives and 2 GB memory running 7.0(1)SR05_Build504
Also, I shouldn’t have to say this, but ALWAYS check the latest versions of the documentation – things change – but it’s highly unlikely I’ll modify this post to reflect it.
I apologize in advance for all the links in this post that will inevitably become dead after a matter of time, but there’s only so much in the universe I can control. This is more to outline the process and things you should be checking rather than trying to be a comprehensive list of links for upgrades. In this example, which will not begin to cover all the ways/paths/routes you can go for an upgrade, we will take a common scenario and walk through the basic research process. I find the upgrade research process far more entertaining if you approach it like a less than ideal scavenger hunt – a poorly planned, slightly brutal game of talent and luck- mixed with just a pinch of despair.
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