ERROR_CLUSTER_NODE_ALREADY_UP - 5061 (0x13C5)
The cluster node is already up.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_CLUSTER_NODE_ALREADY_UP with the numeric value 5061 and hexadecimal representation 0x13C5 indicates that a cluster node is already in an active state. This error typically arises when attempting to bring a node up within a Windows Failover Cluster, which has already been brought online.
Error Details
This specific error code is returned by the Windows API and is related to operations involving failover clusters. It signifies that the operation intended to activate or bring a cluster node online was not necessary because the node is already operational.
Usage Context
The ERROR_CLUSTER_NODE_ALREADY_UP error can be encountered in various scenarios, such as during manual management of cluster nodes or when automated scripts attempt to manage the state of nodes within a failover cluster. It is important for developers and administrators to understand this error to avoid unnecessary operations that could potentially disrupt cluster stability.
Developer Interpretation
When encountering ERROR_CLUSTER_NODE_ALREADY_UP, it is crucial to ensure that the operation intended to bring a node up has already been completed or is not required. This error should be interpreted as an indication that the node's state is consistent with the desired operational state, and no further action is necessary.
Related Errors
ERROR_CLUSTER_NODE_NOT_FOUND(5062 / 0x13C6): Indicates a node could not be found in the cluster.ERROR_CLUSTER_NODE_DOWN(5074 / 0x13D2): Indicates that a node is down and needs to be brought up.
FAQ
Q: What does ERROR_CLUSTER_NODE_ALREADY_UP mean?
A: It means that an attempt was made to bring a cluster node online, but the node is already active.
Q: How can I handle this error in my application?
A: Ensure that your application checks the state of the node before attempting to bring it up. If the node is already up, no further action is required.
Summary
The ERROR_CLUSTER_NODE_ALREADY_UP error code indicates that a cluster node is already active and does not require additional operations to be brought online. This error should be handled by ensuring that state checks are performed before attempting to manage nodes within a failover cluster.