Unable to Connect to MinIO Object Store for Cloud Tiering in ONTAP – “Bad request” Error

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Visibility:: Public

Votes:: 0

Category:: cloud-tiering

Specialty:: cloud

Last Updated:

Applies to

ONTAP 9
Cloud Tiering with S3-Compatible Object Stores (MinIO)
BlueXP Storage Tiering

Issue

When attempting to configure cloud tiering from ONTAP to a MinIO object store using BlueXP, the following error occurs and tiering fails.

::*> storage aggregate object-store config create -object-store-name minioc -provider-type s3_compatible -server servername -is-ssl-enabled true -port 443 -container-name netapp-test -access-key xxxxx -secret-password yyyyy -is-certificate-validation-enabled false
(storage aggregate object-store config create

From ems

Wed Oct 29 00:44:08 [nodename: OscLowPriThreadPool_0: object.store.unavailable:EMERGENCY]: Unable to connect to the object store "obj-name" from node 6610aeeb-977b-11f0-951e-d039eaa2c28d. Reason: Bad request.
Wed Oct 29 00:44:41 [nodename: OscLowPriThreadPool_2: object.store.available:notice]: Able to connect to the object store "obj-name" from node 6610aeeb-977b-11f0-951e-d039eaa2c28d.

From sktrace.log

2025-10-30T07:13:02Z 2865560684106 [6:0] OSC_ERR: xmlCharHandler:339 CmdId 102, Error message The encryption method specified is not supported
2025-10-30T07:13:02Z 2865560727870 [6:0] OSC_ERR: logCmd:371 PUT CmdId 102 obj-name: config_test_b01af070-8ea1-11e8-9eb6-529269fb1459 failed with OSC error: Bad request