# How to Migrate from Alibaba Cloud Redis to SCloud Cloud Memory Redis

Applicable scenario: Migrate Alibaba Cloud Redis to Cloud Memory Redis through UDTS.

Note: To achieve incremental synchronization in Alibaba Cloud Redis 2.8, you need to upgrade to version 4.0.

### Configure External Network Address and Whitelist

> Please contact technical support to obtain the whitelist address.

Ensure that UDTS can access Alibaba Cloud's database from the outside, as shown in the image:

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### Set Account Incremental Synchronization Permissions

> Ignore this step if using Redis 2.8 version or for full migration only.

This step applies to Alibaba Cloud Redis 4.0+ standard version.

Go to the sidebar "Account Management"

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Create an account with "replication" permissions.

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### Create a UDTS Task

Choose Full or Full + Incremental task as needed.

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Note: For incremental, the password needs to be filled in as the account:password with "replication" permissions.

For example: Username ucloud Password password For UDTS task, please fill in data source password as ucloud:password

> For Alibaba Cloud Redis 4.0+ cluster version/separation of read and write version, you need to enable the Rump option for migration.