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After creating a vault, the admin can update several configuration parameters such as fees, cap, withdrawal settings, and manager authority.

What Can Be Updated

Update Via UI

The simplest path is the Ranger manage page:

Update Via SDK

The v2 SDK uses getUpdateVaultConfigInstructionAsync, one field at a time.

Update A u64 Field

Update A Fee Field

Management Fee Special Case

For ManagerManagementFee and AdminManagementFee, append the vault LP mint account to the final instruction accounts:
The maintained admin-update-vault-config.ts scripts show the exact extra-account pattern used in production.

Update Manager

Manager and pending-admin changes use a 32-byte encoded address as the payload.

Serialization Reference

Be careful when changing manager authority. Once moved, the old manager key can no longer operate the vault.