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Article Summary: This article provides information on a Windows stop error 0x0000009e caused by Netft.sys

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Issue:

A Windows stop error Windows Stop Error 0x0000009e ( parameter1 , parameter2 , parameter3 , parameter4 ) USER_MODE_HEALTH_MONITOR Netft.sys may occur on Windows Server 2008 R2 servers that have the Failover Clustering feature installed.

Solution:

There are two Microsoft Windows Server 2008 R2 hotfixes available to resolve this issue. Apply one or both of the hotfixes.

Information and downloads for hotfix 2135160 can be found here.

Information and downloads for hotfix 2520235 can be found here.

Additional Information:

Review of the memory dump file using Debugging Tools for Windows will result in output similar to the following.

BugCheck 9e (0xfffffa814ab789e0, 0x000000000000003c, 0x0000000000000000, 0x0000000000000000).

Probably caused by : netft.sys ( netft ! NetftWatchdogTimerDpc+b9 )

USER_MODE_HEALTH_MONITORING

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