writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(apiErrCode), r.URL)
		return
	}

	cfgData := ""
	{
		tgtSuffix := ""
		if cfgTarget != madmin.Default {
			tgtSuffix = config.SubSystemSeparator + cfgTarget
		}
		cfgData = subSys + tgtSuffix + config.KvSpaceSeparator + string(reqBytes)
	}

	cfg, err := readServerConfig(ctx, objectAPI, nil)
	if err != nil {

		// Form empty ILM details with `ExpiryUpdatedAt` field and save
		var cfgData []byte
		if expiryRuleRemoved {
			var lcCfg lifecycle.Lifecycle
			currtime := time.Now()
			lcCfg.ExpiryUpdatedAt = &currtime
			cfgData, err = xml.Marshal(lcCfg)
			if err != nil {
				return updatedAt, err
			}
		}
		return sys.updateAndParse(ctx, bucket, configFile, cfgData, false)
	}

		bucketQuotaConfigFile,
		objectLockConfig,
		bucketVersioningConfig,
		bucketReplicationConfig,
		bucketTargetsFile,
	}
	for _, bi := range buckets {
		for _, cfgFile := range cfgFiles {
			cfgPath := pathJoin(bi.Name, cfgFile)
			bucket := bi.Name
			switch cfgFile {
			case bucketPolicyConfig:
				config, _, err := globalBucketMetadataSys.GetBucketPolicy(bucket)
				if err != nil {