DFS : Can't add a new namespace, access denied even as domain admin

alex a 61 Reputation points


I can't add a new namspace on my DFS server even as domain admin.

error is :

\domain\new_namespace : unable to query namespace, access denied.

Can you help me? i already have several namespaces.


Windows Server
Windows Server
A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.
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  1. Limitless Technology 44,101 Reputation points

    Hello Alex,

    Thank you for your question and for reaching out with your question today.

    Please check that the replicated folders (i.e. in the associated Replication Group) are not marked as read-only on the server in question. If they are, please set as Read/Write to see if that resolves the Access Denied issue.

    If the reply was helpful, please don’t forget to upvote or accept as answer.

    Best regards.

  2. alex a 61 Reputation points
    Good morning,
    A new fact has appeared.
    As domain admin, if I change the local path, no more error message. And if I go back to put the original path back, no more error message either.
    Unfortunately this solution is not stable. You have to push for it to work.
    It looks like the NTFS permissions check is unstable or not happening, hence the error message.
    Have you ever heard of this bug? DFS servers are under WS2022, 2019 and 2012R2.
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