Deleting the All Rooms address list stops it from showing up in OWA

Open ADSIEdit.

Navigate to the All Rooms address list.
Copy the distinguishedName attribute.

Open your organization object [cn=YourOrg].
Look in the list of attributes for the msExchResourceAddressLists attribute.
Remove the current DN which is {All Rooms DEL:xxxxxxxxxxxxxxxx}.
Paste in the new distinguishedName attribute of the All Room’s address list.

Wait for sync…

One Comment

  1. i need help how to do this… your post is helpful, but i need a visual explanation how to do this

    Reply

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