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SMB and other services hung from Windows Server after ONTAP upgrade to 9.6 or 9.7

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ontap-9
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nas
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Applies to

  • ONTAP 9.6 and 9.7
  • Windows 2012 and 2016
  • ECN enabled network

Issue

After an ONTAP upgrade to 9.6 or 9.7, access to storage controller services is hung or shows extreme high latency from certain windows server systems.

 

 

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