Name Target Event ID Source Log Severity NLB cluster ip address is invalid Windows Server NLB Server Role 16 System Error NLB cluster network address is invalid Windows Server NLB Server Role 14 System Error NLB cluster network mask is invalid Windows Server NLB Server Role 31 System Error Number of port rules exceeds the configured maximum Windows Server NLB Server Role 22 System Error Failed to perform NLB cluster discovery due to a WMI error Microsoft Windows Server Operating System 6103 Health Service Script Operations Manager Warning A load distribution error was detected during convergence Windows Server NLB Server Role 87 System Error A port rule operation was issued but there is no port rule that contains this port Windows Server NLB Server Role 25 System Warning An unsupported legacy host was discovered on the network Windows Server NLB Server Role 97 System Error Bi-Directional affinity (BDA) team configuration problem detected Windows Server NLB Server Role 57,56,55,114 System Error
Bi-Directional affinity (BDA) team configuration warning Windows Server NLB Server Role 62,60,59 System Warning Dedicated IP (DIP) address is invalid Windows Server NLB Server Role 15 System Error Dedicated network mask is invalid Windows Server NLB Server Role 30 System Error Duplicate dedicated IP address was detected on the network Windows Server NLB Server Role 83 System Error Maximum transfer unit (MTU) reported by the adapter is too small to contain an NLB heartbeat message Windows Server NLB Server Role 90 System Error NLB can't track TCP connections because it was unable to open the TCP connection callback object Windows Server NLB Server Role 81 System Error NLB cluster IGMP multicast IP address is invalid Windows Server NLB Server Role 73 System Error NLB detected a duplicate host priority that is shared between cluster hosts Windows Server NLB Server Role 17 System Error
NLB detected an unequal number of dedicated IP (DIP) addresses and network masks Windows Server NLB Server Role 32 System Error NLB detected an unequal number of virtual IP (VIP) addresses and network masks Windows Server NLB Server Role 110 System Warning NLB detected duplicate cluster subnets Windows Server NLB Server Role 18 System Warning NLB driver could not allocate enough memory resources to perform driver operations Windows Server NLB Server Role 10 System Error NLB driver failed to attach to network adapter Windows Server NLB Server Role 85,89,98 System Error NLB driver failed to bind to the adapter Windows Server NLB Server Role 9 System Error NLB driver failed to register for notifications with the IPv4 NSI provider Windows Server NLB Server Role 102 System Warning NLB driver failed to register for notifications with the IPv6 NSI provider Windows Server NLB Server Role 103 System Warning
NLB failed to read or verify the configuration parameters Windows Server NLB Server Role 34,35 System Error NLB failed to register as a WMI provider Windows Server NLB Server Role 115 System Warning NLB failed to update the adapter multicast list Windows Server NLB Server Role 94 System Error NLB failed to update the NLB host state in the registry Windows Server 2016 NLB Server Role 74 System Warning NLB Host converged with legacy host(s) Windows Server 2016 NLB Server Role 86 System Warning NLB received a heartbeat from a host with an invalid ID Windows Server NLB Server Role 91 System Error NLB will not attach to adapter because it does not support dynamic changing of its MAC address Windows Server NLB Server Role 53 System Error The maximum number of actively serviced connections that could be tracked by NLB is reached Windows Server 2016 NLB Server Role 19 System Warning
Version mismatch between the NLB driver and control programs Windows Server NLB Server Role 37 System Error Virtual IP (VIP) address is invalid Windows Server NLB Server Role 108 System Warning Virtual IP address in a port rule is invalid Windows Server NLB Server Role 111 System Error Virtual network mask is invalid Windows Server NLB Server Role 109 System Warning The following rules apply to the Windows Server 2016 NLB Server Role only. Name Target Event ID Source Log Severity More than one node claims an IP address to be on the client affinity lists Windows Server 2016 NLB Server Role 119 System Warning The maximum number of IP addresses with stickiness to this node that could be tracked by NLB is reached Windows Server 2016 NLB Server Role 117 System Warning Extended affinity configuration is inconsistent Windows Server 2016 NLB Server Role 118 System Warning