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During the configuration of managed metadata navigation, when clicking on the "Create  Term Set" button, a message "Failed to create term set: A default managed metadata service connection hasn’t been specified" is displayed.

The "Managed Metadata Service" service application and its are created and started.


1. In the central administration, click on the line corresponding to the connection (not on its name, on its right) and click on "Properties".

2. Click on the "This service application is the default storage location for column specific term sets" checkbox and click on "OK"

3. Or you can use the following PowerShell commands:

$MMAProxy = Get-SPServiceApplicationProxy | Where-Object { $_.typename -like "Managed*" }

$MMAProxy.Properties.IsDefaultSiteCollectionTaxonomy = $true


4. You can now create Term Sets

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