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