Error returned while installing OcsMcu.msi, code 1603


Just recently we have started seeing the Skype for Business installer option to “Connect to internet to check for update” actually find updates. Yay!

Hold on now, as this is where the issue begins..

On a new install (Enterprise Edition Pool) this week I though I might give it a bash and see how we go.

Seems we have found some updates, unfortunately there is no indication at this point as to which updates these are.

downloading-updates

Next I ran through STEP 1 and 2

Step 2 Fails.

ocsmcu-msi-error-1603

OK, so the log file alludes to the Apply Patch and it mentions OcsMcu.msi. I am beginning to suspect pre-install update wizard already.

Checking the log file we find the following errors:

Error 1

Product: Skype for Business Server 2015, Conferencing Server – Update ‘Skype for Business Server 2015, Conferencing Server (KB3149233)’ could not be installed. Error code 1603.

Error 2

Windows Installer installed an update. Product Name: Skype for Business Server 2015, Conferencing Server. Product Version: 6.0.9319.259. Product Language: 1033. Manufacturer: Microsoft Corporation. Update Name: Skype for Business Server 2015, Conferencing Server (KB3149233).

Installation success or error status: 1603.

So from these errors we can see that the Conferencing Server (OcsMcu.msi) Installed Version is expected to be from KB3149233. The second error calls out the version of OcsMcu.msi as 6.0.9319.259

Lets do a quick check to see what is actually installed. There are a few ways to do this. Great post by Tim Harrington at http://howdouc.blogspot.co.nz/2012/04/three-ways-to-determine-what-version-of.html on how to do this.

Since (at the time of writing) the latest KB (November 2016) is out and is newer than whats being reported here, I will use SkypeServerUpdateInstaller.exe as it seems I will need to run updates.

Here’s what’s been found:

skypeserverupdateinstaller

From this quick view it appears that some components have been updated BUT as you can see, the conferencing server update (OcsMcu) is on a much older version. The error log was expecting to find 6.0.9319.259 (July 2016)  but what we have is even older than that. That’s actually the original version on the ISO so it is safe to say that the Conferencing Server was not patched at all.

As a quick fix, thought I might try a sneaky update and hope that the aged OcsMcu would get patched.

Unfortunately the expected version is now mismatched and so the update attempt also throws an error:

ERROR 1603: OCSMCU.msp had errors installing.

Solution

In this case, since we are in the install process, we opted for uninstall and re-install. This time however we did NOT select the option to “Check for Updates” before running the install.

Note

 

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About Paul B

My name is Paul Bloem and I am employed at Lexel Systems in New Zealand as a Principal Consultant for Unified Communications. I have been working on enterprise voice solutions for over 20 years. My first 10 years were spent working for a Telco in South Africa (Telcom SA). This is where all the groundwork happened as I was exposed to just about every aspect of telecommunication you could imagine. I develop an interest in PBX technologies and eventually became the go-to guy. Next, I had a 10 year run at Siemens South Africa, most of my time there was as a Technical Trainer. During this time VoIP hit the world stage, I had the privilege of introducing VoIP both as H.323 and later SIP across the Siemens HiPath 4000 solution stack. In 2008 I immigrated to New Zealand with my newly attained MCSE, I was ready to go where no PBX Techie had gone before. I was employed to explore OCS 2007 and that was pretty much the beginning of the end for me. I have been working on OCS and Lync ever since. My current role focuses exclusively on Lync and associated technologies.. That includes pre-sales, consulting, architecture and design, training and support. I even get to play in the development space from time to time - focus on play ;-) I was nominated as a Microsoft VTSP for Lync early in 2013 and also awarded Microsoft's MVP award for Lync in 2014.
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6 Responses to Error returned while installing OcsMcu.msi, code 1603

  1. myhbd says:

    Hello, I have the same issue but with the KB3199093 when i traying to install skype for business Update, i have this error “Windows Installer installed an update. Product Name: Skype for Business Server 2015, Front End Server. Product Version: 6.0.9319.272. Product Language: 1033. Manufacturer: Microsoft Corporation. Update Name: Skype for Business Server 2015 (KB3199093). Installation success or error status: 1603” in server.msp file
    could you help me please?
    Thank you

    Like

  2. Nick C says:

    Ran into the same issue here…..thanks for the article. Our solution was to:
    1) uninstall and reinstall without the check for updates to lay down build 0
    2) install the OPTIONAL windows update KB3061064 of 89 MB from Aug 2016 first!! Don’t do the “important” update from Nov 2016. These 2 updates have the same KB referenced, but are different sizes and dates. This optional updates brought everything from 0 to 259
    3) The important update no longer shows in the updates section, so I downloaded v272 of SkypeServerUpdateInstaller.exe from the MS page and ran it manually to patch to 272.
    Done – everything is properly updated & running. Hope this helps someone else!

    Like

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