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Copy file name to clipboardExpand all lines: modules/ROOT/pages/tools/neo4j-admin/unbind.adoc
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You can use the `neo4j-admin server unbind` command to remove and archive the cluster state of a cluster server so that it can rebind to a cluster.
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[WARNING]
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====
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Avoid running the `unbind` command on all servers, as this results in the loss of cluster quorum.
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In Neo4j 5.x, use the `unbind` command only when troubleshooting a specific server and you need to convert it into a standalone instance.
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Keep in mind there is no guarantee that the allocator will reassign the same databases to this server, potentially resulting in orphaned database stores.
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The `unbind` command preserves all database stores on the server; and when the unbound server is restarted and enabled, it is seen as an entirely new server.
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====
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[[unbind-command-syntax]]
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== Syntax
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To remove the cluster state of a server, run the `neo4j-admin server unbind` command from the _<NEO4J_HOME>_ folder of that server.
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When restarted, an unbound server rejoins the cluster as a new server and has to be enabled using the `ENABLE SERVER` command.
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[WARNING]
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====
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Note that the `unbind` command preserves all database stores on the server.
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When the unbound server is restarted and enabled, it is seen as an entirely new server.
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Therefore, there is no guarantee that the allocator will pick this server to host the same databases.
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This may lead to having orphaned database stores on this server.
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====
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=== Turn a cluster member into a standalone server
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To start the Neo4j server in single (standalone) mode after unbinding it from the cluster, verify that xref:configuration/configuration-settings.adoc#config_initial.server.mode_constraint[`initial.server.mode_constraint`] is set to `NONE` in xref:configuration/neo4j-conf.adoc[The neo4j.conf file].
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