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CONTAP-720115: S3 Snapmirror fails with osc.signatureMismatch:error

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ontap-9
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Issue

S3 SnapMirror replication between ONTAP clusters failed to transfer objects due to S3 signature validation failures
EMS logs : 
Source::*> event show -severity ERROR
Time Node Severity Event
------------------- ---------------- ------------- ---------------------------
4/15/2026 11:58:48 Source-01 ERROR osc.signatureMismatch: Object-store PUT_STREAM operation server-calculated request signature does not match the signature sent to object-store server x.x.x.x for bucket or container "bucket-dest" on node 24491a8d-f82d-11f0-be74-d039eae607e0. Check the keys and signing method.

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