ERROR_GROUP_NOT_ONLINE - 5014 (0x1396)
The operation could not be completed because the cluster group is not online.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_GROUP_NOT_ONLINE error code, with the numeric value of 5014 and hexadecimal representation 0x1396, indicates that a requested operation could not be completed because the specified cluster group is not online. This error typically arises in environments utilizing Windows Failover Clustering.
Error Details
This error suggests that the system attempted to perform an operation on a cluster resource or group but found that the target group was not active. The cluster group must be online and functional for operations such as starting, stopping, or managing resources within it to succeed.
Usage Context
The ERROR_GROUP_NOT_ONLINE is commonly encountered in scenarios where cluster management commands are issued, such as when attempting to start a resource that depends on an offline group. It can also occur during failover operations if the target node does not have the required group online.
Developer Interpretation
Developers should interpret this error code as indicating that the operation cannot proceed due to the cluster group's current state. This implies that the developer or administrator must ensure the cluster group is in an active, online state before attempting the operation again. The error can be handled by checking the status of the cluster and ensuring all necessary groups are online.
Related Errors
ERROR_CLUSTER_NOT_STARTED(1208): Indicates that the cluster service itself is not running or has not been started.ERROR_GROUP_NOT_FOUND(1224): Suggests that the specified group does not exist in the cluster configuration.
FAQ
Q: What causes this error?
A: This error typically occurs when a cluster operation is attempted on an offline group. Ensure that all required groups are online before performing operations.
Q: How can I resolve this issue?
A: Verify the status of the cluster and ensure that the target group is online. If necessary, restart the cluster service or bring the group online manually.
Summary
The ERROR_GROUP_NOT_ONLINE error code (5014/0x1396) indicates that a requested operation could not be completed because the specified cluster group is not online. Developers should ensure the cluster and its groups are in an active state before attempting operations that depend on them.