Unable to load the Skype for Business Outlook plug-in into Outlook 2013

I seem to be unable to load the Skype plug-in in Outlook 2013. I go into "File".."options".."Add-Ins".."Mange COM Add-ins".."Add" and navigate down to "C:\Program Files\Microsoft Office 15\root\office15" and select "UCAddin.dll" but nothing happens. Nothing new shows in the "Add-Ins available" list.

In regedit I navigate down to "HKLM\SOFTWARE\Wow6432Node\Microsoft\Office\Outlook\Addins\" and it does contain the key "UCAddin.LyncAddin.1" with a "loadBehavior" value of "3". I've compared this with another working machine and it looks correct.

I'm not getting any sort of errors or anything it's just that the Skype button doesn't show up when I go to schedule a meeting. I've tried doing a repair as well a full uninstall and re-install of Office 2013.

I'm not sure what else to look at.


  • Edited by JohnPF Friday, August 28, 2015 10:49 PM
August 28th, 2015 6:00pm

Hi,

Please make sure that you are logged on to the local computer through an administrator account when perform the steps you described. This is because the add-in can only be connected or disconnected by an administrator.

In addition, please also make sure you were checking the correct registry path according to your Windows version and Office version:

  • 32-bit Windows client with Office 32-bit (Click-to-Run installation) or 64-bit Windows client with Office 64-bit (Click-to-Run installation)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\15.0\ClickToRun\Registry\Machine\Microsoft\Office\Outlook\Addins\UcAddin.LyncAddin.1

  • 64-bit Windows client with Office 32-bit (Click-to-Run installation)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\15.0\ClickToRun\Registry\Machine\Wow6432Node\Microsoft\Office\Outlook\Addins\UcAddin.LyncAddin.1

  • 32-bit Windows client with Office 32-bit (MSI installation) or 64-bit Windows client with Office 64-bit (MSI installation)

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Outlook\Addins\UcAddin.LyncAddin.1

  • 64-bit Windows client with Office 32-bit (MSI installation)

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\Outlook\Addins\UcAddin.LyncAddin.1

Reference: https://support.microsoft.com/en-us/kb/2916599

Hope this helps.

Regards,

Steve Fan
TechNet Community Support

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September 2nd, 2015 3:44am

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