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I have an atlas cluster database and a remote ubuntu server with mongodb. I want to add the remote db as a replicaset member of my cluster database.

I have tried to add a new member using the command rs.add() but I got a unauthorized permission error.

Arjun
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  • I don't think that's possible. The main problem is, you don't have access to the keyfile which is used (and required) for [internal membership authentication](https://www.mongodb.com/docs/manual/core/security-internal-authentication/) – Wernfried Domscheit Mar 12 '23 at 09:51
  • No it's not possible. You might be able to use the [mongosync tool](https://www.mongodb.com/docs/cluster-to-cluster-sync/current/reference/mongosync/) to keep the data on the two places the same though – user20042973 Mar 12 '23 at 13:29

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it means that the user you are using to authenticate does not have the necessary permissions to perform this operation.

To add a new replica set member to your Atlas cluster, you need to use a user with the following roles:"clusterAdmin" or "atlasAdmin" role for clusters created before November 13, 2020 "Atlas admin" role for clusters created after November 13, 2020

Arun Kumar
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  • The user have the "atlasAdmin" role. But I am using a free cluster. Is there any limitations for adding a replica member from a free cluster ? – Arjun Mar 12 '23 at 06:32