Start, click Run, type regedit, and then click OK.ĥ: Locate the registry sub-key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\ParametersĦ: Locate the EnableTCPA registry entry. Well with the vendor's firmware tools if we don’t have an update for the NIC driver or NIC drivers are not compatibleĬan check these settings in network adaptors by launching device manager and thenĮxpanding the network adaptors section as shown in the below screenshot.Ĥ: NetDMA will be disabled through the registry, so make sure toīackup your registry before doing the next steps. We should disable these SNP features in Windows and NIC hardware setting as Misbehaving NIC drivers they turn into lot of weird issues so it is better to turn them off toįix such issues, get an update from the NIC vendor or use a better NIC driver These SNP options looks good from an OS perspective, but due to The problem is that many NICs report to the OS that they support theseįeatures, which they indeed do, but many didn't perform these functions very Receive Window Auto-Tuning Level : normalĪdd-On Congestion Control Provider : ctcp Ran the below command to check the existing values of these SNP settings: Now let's check these settings on our impacted system. Operation that is performed by the networking subsystem to a dedicated direct memoryĪccess (DMA) engine when receiving network packets. To be distributed across multiple CPUs in a multiprocessor computer.ĭirect Memory Access (NetDMA) provides services for offloading the memory copy Receive Side Scaling (RSS) enables the network load from a network adapter.The effect of reducing the workload on the host CPU and moving it to the NIC, allowingīoth the Host OS to perform quicker and also speed up the processing of network Of the network such as packet segmentation and reassembly processing tasks, fromĪ computer's CPU to a network adapter that supports TCP Chimney Offload. These three features are TCP/IP Chimney, Receive Side Scaling (RSS) and NetDMA. Microsoft released the Scalable Networking Pack (SNP) that consists of three mainįeatures. TCP/IP Chimney offloading, RSS features and NetDMA. Offload feature, so I decided to research this further. Some responses suggested disabling the TCP/IP Chimney I searched this error on the web and found some MSDN forums where The error which is captured in theĭifferent reasons. This fatal error suggests that something is wrong on the network which is causing
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