# Update an existing replication policy

Updates an existing replication policy with modified transfer rates, schedule, and time window configuration.

## Endpoint

`PUT /dcapi/som/replication-policies/{replication_policy_id}`

## Request

### Request URL

`https://{server-hostname}:8383/dcapi/som/replication-policies/{replication_policy_id}`

### Scope

`SOM.UPDATE`

### Header

`Authorization: d92d4xxxxxxxxxxxxx15f52`

### Request Parameters

#### Request Headers

- **Content-Type** (string, Mandatory): `application/replicationPolicyDetails.v1+json`
- **Accept** (string, Mandatory): `application/replicationPolicyUpdatedStatus.v1+json`

#### Path Parameters

- **replication_policy_id** (string, Mandatory): Unique identifier of the replication policy. Get the replication policy ID from the [Replication Policies](https://www.manageengine.com/products/desktop-central/help/api/onpremise/replication-policies-list-replication-policies.html) API response (`replicationPolicyID`).

#### Request Body

`application/json`

JSON Object:

- **policyName** (string, Optional): Administrator-defined display name for the replication policy (max 250 characters).
- **description** (string, Optional): Optional administrator-provided description for the replication policy (max 1000 characters).
- **replicationInterval** (string, Optional): Interval in minutes at which the Distribution Server syncs data with the central server.
- **daysOfWeek** (string, Optional): Comma-separated day numbers when replication is active: 1=Sunday through 7=Saturday (e.g., `'2,3,4,5,6'` for weekdays only).
- **windowStartTime** (string, Optional): Start time of the replication window in `HH:mm` format (e.g., `'08:00'`). Replication is allowed only between the start and end times.
- **windowEndTime** (string, Optional): End time of the replication window in `HH:mm` format (e.g., `'18:00'`). Replication is allowed only between the start and end times.
- **dataTransferRate** (string, Optional): WAN data transfer rate limit in Kbps. Set to 0 for unlimited bandwidth, or specify a value from: 16, 32, 64, 128, 256, 512, 1024, 2048, 3072, 4096, 5120, 6144, 7168, 8192.
- **dataTransferRateLAN** (string, Optional): LAN data transfer rate limit in Kbps. Set to 0 for unlimited bandwidth, or specify a value from: 16, 32, 64, 128, 256, 512, 1024, 2048, 3072, 4096, 5120, 6144, 7168, 8192.

### Sample Request

```curl
curl --request PUT \
  --url https://appdomain/dcapi/som/replication-policies/{replication_policy_id} \
  --header 'Accept: application/replicationPolicyUpdatedStatus.v1+json' \
  --header 'Authorization:  d92d4xxxxxxxxxxxxx15f52' \
  --header 'Content-Type: application/replicationPolicyDetails.v1+json' \
  --data '{"windowStartTime":"09:00","policyName":"Business Hours Only","windowEndTime":"17:00","replicationInterval":30,"description":"Replicate only during business hours","dataTransferRate":256,"daysOfWeek":"1,2,3,4,5"}'
```

### Sample Request Body

Update a business-hours replication policy.

```json
{
  "windowStartTime": "09:00",
  "policyName": "Business Hours Only",
  "windowEndTime": "17:00",
  "replicationInterval": 30,
  "description": "Replicate only during business hours",
  "dataTransferRate": 256,
  "daysOfWeek": "1,2,3,4,5"
}
```

## Response Parameters

### HTTP Code 200

Response Body: `application/json`

JSON Object:

- **status** (boolean): Indicates whether the replication policy update or deletion completed successfully.
- **message** (string): Descriptive message confirming the operation or explaining the reason for failure (e.g., `'Replication policy - Business Hours Only has been updated successfully'`).

### HTTP Code 404

Response Body: `application/json`

JSON Object:

- **statusCode** (string): HTTP status code (404).
- **errorCode** (string): Error code identifying the resource that was not found.
- **message** (string): Error message describing the missing resource.

### HTTP Code 412

Response Body: `application/json`

JSON Object:

- **statusCode** (string): HTTP status code (412).
- **errorCode** (string): Precondition failed error code identifying the business logic violation.
- **message** (string): Error message describing the precondition failed while processing request.

## Possible Response Codes

- `200` HTTP code
- `404` HTTP code
- `412` HTTP code

## Sample Responses

### HTTP 200

Policy updated.

```json
{
  "message": "Replication policy - Business Hours Only has been updated successfully",
  "status": true
}
```

### HTTP 404

Replication policy not found.

```json
{
  "errorCode": "30027",
  "message": "Replication policy does not exist",
  "statusCode": 404
}
```

### HTTP 412

Required replication policy parameters are missing.

```json
{
  "errorCode": "30090",
  "message": "Required replication policy parameters are missing",
  "statusCode": 412
}
```

Invalid replication interval or insufficient replication window.

```json
{
  "errorCode": "30086",
  "message": "Invalid replication interval or insufficient replication window",
  "statusCode": 412
}
```

Replication policy with same name already exists.

```json
{
  "errorCode": "30025",
  "message": "A replication policy with the same name already exists",
  "statusCode": 412
}
```

## API Rate Limit

**Duration:** 1 minute | **Threshold:** 30 | **Lock period:** 5 minutes

Duration - Time window for the threshold.  
Threshold - Number of API calls allowed within the specified duration.  
Lock Period - Wait time before consecutive API requests.