The Managed Metadata Service or Connection is currently not available .SharePoint 2019

Tam Nguyen Hoang Viet 41 Reputation points
2020-08-06T00:57:28.317+00:00

Hi All

Please hepl me

I have two sharepoint 2019 server (high availability) installed
and connect to the MSSQL cluster server
I have enabled the Managed Metadata Web Service and the status is start
but I went to the Term Store Management Tool config
then it will give an error
The Managed Metadata Service or Connection is currently not available. The Application Pool or Managed Metadata Web Service may not have been started. Please Contact your Administrator.15898-error.jpg15899-erro-2.jpg

SharePoint Server Management
SharePoint Server Management
SharePoint Server: A family of Microsoft on-premises document management and storage systems.Management: The act or process of organizing, handling, directing or controlling something.
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Accepted answer
  1. Itch Sun-MSFT 2,556 Reputation points
    2020-08-06T07:27:59.52+00:00

    Please go to IIS and check whether the Application pool for the metadata service is started.

    Check the account in which the application pool for the metadata service is running. Sometimes if the password for the account is changed, you will get the same issue.

    In addition, check your ULS logs and see you had the below lines in it or something similar to it:

    Failed to get term store for proxy ‘Managed Metadata Service Application Proxy’. Exception: System.Security.SecurityException: Requested registry access is not allowed

    If so its due to lack of permission in registry key for WSS_WPG and WSS_ADMIN_WPG. You have to provide an access for it and reboot your server which is running with it.

    Likewise executing below PS command will do the work for you. 

    Initialize-SPResourceSecurity

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