ERROR_CLUSTER_INVALID_NETWORK_PROVIDER - 5049 (0x13B9)
The cluster network provider is not valid.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_CLUSTER_INVALID_NETWORK_PROVIDER (5049, 0x13B9) indicates that the network provider being used in a Windows cluster environment is not valid or supported. This error typically arises when there are issues with the configuration of network resources within the cluster.
Error Details
This error code suggests that one or more network providers configured for use by the cluster service are either missing, incorrectly specified, or do not meet the necessary requirements to function properly in a clustered environment. The network provider could be related to storage, failover clustering, or other network-related services within the Windows Cluster Service.
Usage Context
This error is relevant when dealing with Windows Failover Clustering and network configurations. It can occur during cluster initialization, configuration changes, or when attempting to bring a cluster node online.
Developer Interpretation
When encountering this error, developers should ensure that all network providers are correctly configured and supported by the cluster service. This includes verifying that the correct network drivers and protocols are installed and properly registered with the cluster service. Additionally, checking for any misconfigurations or missing dependencies can help resolve the issue.
Related Errors
ERROR_CLUSTER_INVALID_NODE(5037)ERROR_CLUSTER_RESOURCE_NAME_COLLISION(5041)ERROR_CLUSTER_INVALID_GROUP_STATE(5029)
FAQ
Q: What does ERROR_CLUSTER_INVALID_NETWORK_PROVIDER mean?
A: This error indicates that the network provider being used in a Windows cluster environment is not valid or supported.
Q: How can I resolve this issue?
A: Ensure all network providers are correctly configured and supported by the cluster service. Verify correct installation of network drivers and protocols, and check for any misconfigurations or missing dependencies.
Summary
The ERROR_CLUSTER_INVALID_NETWORK_PROVIDER error signifies that a network provider in a Windows Failover Cluster is not valid. Developers should ensure proper configuration and support of all network providers to resolve this issue.