In this blog post, let’s learn about the error message “41066 – Cannot bring the Windows Server Failover Clustering (WSFC) resource (ID ‘%.*ls’) online (Error code %d). If this is a WSFC availability group, the WSFC service may not be running or may not be accessible in its current state, or the WSFC resource may not be in a state that could accept the request. Otherwise, contact your primary support provider. For information about this error code, see “System Error Codes” in the Windows Development documentation.” in Microsoft SQL Server, the reason why it appears and the solution to fix it.
SQL Server Error Message
41066 – Cannot bring the Windows Server Failover Clustering (WSFC) resource (ID ‘%.*ls’) online (Error code %d). If this is a WSFC availability group, the WSFC service may not be running or may not be accessible in its current state, or the WSFC resource may not be in a state that could accept the request. Otherwise, contact your primary support provider. For information about this error code, see “System Error Codes” in the Windows Development documentation.
Reason for the Error
The SQL Server Error Msg 41066 occurs when SQL Server cannot bring an available group resource online in a Windows Server Failover Clustering (WSFC) environment.
In simpler terms, this error means there is a problem with the configuration or status of the WSFC resource, preventing SQL Server from bringing the availability group online. For example, this can happen if the WSFC service is not running if the WSFC resource is not in a state that can accept the request, or if there is a network connectivity issue.
Solution
To resolve this error, you should check the status of the WSFC service and ensure that it is running. You should also check the WSFC resource’s status and ensure that it is in a state that can accept the request. If there are any network connectivity issues, you should troubleshoot and resolve those as well. Additionally, you may need to contact your primary support provider for further assistance with this error.