Skype Meeting control is not displayed on Outlook 2016

Original KB number:   3097122

Summary

After you install the Skype Meeting Add-in for Microsoft Office 2016 in Microsoft Outlook, the Skype Meeting control may not appear on the ribbon of a meeting request in Outlook.

Resolution

To resolve this issue, you can manually enable the Skype Meeting Add-in for Microsoft Office 2016 in Outlook. To do this, follow these steps:

  1. Start Outlook.
  2. On the File menu, select Options.
  3. In the navigation pane, select Add-Ins.
  4. On the Manage menu, select COM Add-Ins, and then select Go.
  5. In the COM Add-Ins dialog box, select the Skype Meeting Add-in for Microsoft Office 2016 option, and then select OK.

If you do not see the Skype Meeting Add-in for Microsoft Office 2016 entry in the COM Add-Ins dialog box, see Skype Meeting Add-in for Microsoft Office 2016 entry is missing in COM Add-Ins this section for the resolution. The entry should be displayed as it is in the following screenshot:

Screenshot of the Skype Meeting Add-in for Microsoft Office 2016 option in COM Add-ins dialog.

Note

You may receive the following error message during step 5:
The add-in is installed for all users of the computer, and can only be connected or disconnected by an administrator.
If this occurs, make sure that you are logged on to the local computer through an administrator account.

Registry Key to enable or disable Skype Meeting Add-in

When you manually enable or disable the Skype Meeting Add-in for Microsoft Office 2016 add-in by using the COM Add-Ins dialog box (by using the steps in the Resolution section), the following registry data is updated:

Key: HKEY_CURRENT_USER\Software\Microsoft\Office\Outlook\Addins\UcAddin.LyncAddin.1
DWORD: LoadBehavior
Value: 3 = add-in is enabled, 2 = add-in is not enabled

Skype Meeting Add-in for Microsoft Office 2016 entry is missing in COM Add-Ins

If you do not see the Skype Meeting Add-in for Microsoft Office 2016 entry in the COM Add-Ins dialog box in Outlook, the add-in may not be correctly configured in the HKEY_LOCAL_MACHINE hive of the registry. In this situation, follow these steps.

Important

Follow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.

To resolve this issue, examine the applicable registry subkey for the Skype Meeting Add-in for your installation of Microsoft Office 2016.

Note

These steps apply to both the 32-bit Windows client with Office 32-bit (Click-to-Run installation) and the 64-bit Windows client with Office 64-bit (Click-to-Run installation)

  1. Select Start, type regedit in the Start Search box, and then select OK.

  2. In Registry Editor, locate one of following subkeys, as applicable to your installation of Microsoft Office:

    • For 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\ClickToRun\Registry\Machine\Software\Microsoft\Office\Outlook\Addins\UcAddin.LyncAddin.1

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

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

    • For 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

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

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

  3. In the details pane, double-click LoadBehavior. If the value in the Value data box is not 3, change it to 3, and then select OK.

How to determine whether you are using a Click-to-Run or MSI installation

Select the File tab in Outlook, and then select Office Account.

Screenshot shows the Office Product Information section.

If you see Office Updates in the Product Information area, you have a Click-to-Run installation of Office 2016.

If you do not see Office Updates in the Product Information area, you have an MSI installation of Office 2016.