ERROR_CLUSTER_INVALID_IPV6_TUNNEL_NETWORK - 5927 (0x1727)
The cluster network is not valid for an IPv6 Tunnel resource. Check the configuration of the IP Address resource on which the IPv6 Tunnel resource depends.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_CLUSTER_INVALID_IPV6_TUNNEL_NETWORK (0x1727) is returned when a cluster network configuration is invalid for an IPv6 Tunnel resource. This indicates that the IP Address resource on which the IPv6 Tunnel resource depends is not correctly configured.
Error Details
This error typically occurs in a Windows Server environment where Network Load Balancing (NLB) or Failover Clustering is used to manage network resources. The error suggests that there is an issue with the configuration of the IP Address resource, which is essential for the proper functioning of the IPv6 Tunnel resource.
Usage Context
This error code is relevant in scenarios where IPv6 tunneling is being utilized within a clustered environment. It may be encountered during the setup or maintenance of network resources, particularly when configuring or troubleshooting IPv6 Tunnel resources.
Developer Interpretation
When this error occurs, it indicates that the IP Address resource on which the IPv6 Tunnel resource depends is not correctly configured for use in the cluster. This could be due to various reasons such as incorrect IP address settings, missing dependencies, or misconfiguration of network parameters. Developers should ensure that all necessary resources are properly configured and that there are no conflicts with other network configurations.
Related Errors
ERROR_CLUSTER_INVALID_NODE(0x1725): Indicates an invalid node in the cluster configuration.ERROR_CLUSTER_RESOURCE_TYPE_MISMATCH(0x1738): Suggests a mismatch between resource types within the cluster.
FAQ
Q: What does this error mean?
A: This error indicates that the IP Address resource on which the IPv6 Tunnel resource depends is not correctly configured for use in the cluster environment. It suggests that there may be issues with the network configuration or dependencies.
Q: How can I resolve this issue?
A: Review and correct the configuration of the IP Address resource to ensure it is properly set up for the IPv6 Tunnel resource. Verify all network settings, including IP addresses, subnet masks, and other relevant parameters.
Summary
The ERROR_CLUSTER_INVALID_IPV6_TUNNEL_NETWORK error (0x1727) indicates a misconfiguration of the IP Address resource in relation to an IPv6 Tunnel resource within a clustered environment. Developers should ensure that all network resources are correctly configured to avoid this issue.