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Downgrading from 9.2 may lead to performance issues when big TCP window is needed

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Category:
ontap-9
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nas
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Applies to

ONTAP 9.2 and higher

Issue

After ONTAP is downgraded from 9.2 or higher to a version prior to ONTAP 9.2, poor WAN performance is observed with write requests.

This article is relevant only to machines that were downgraded.

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