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Rollback on the device: Choose System > Maintenance > Service Packs, find the SP, and click Rollback.
If you set Install Automatically, you must change the option to Install Manually before the rollback.
1. Ungrouping of clusters: N/A.
2. Ungrouping of distributed nodes: N/A.
3. Device restart: Not required.
4. Service restart: Required (same as the upgrade).
5. Impact on customers' business services: Yes (same as the upgrade).
6. Ungrouping of two nodes in HA: Required.