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Data Transmission Service:Logon accounts

Last Updated:Mar 28, 2026

ADAM (Advanced Database & Application Migration) supports two account types for logon: an Alibaba Cloud account and a RAM user. Choose the account type that matches your access needs.

Alibaba Cloud account

An Alibaba Cloud account can be used to log on to ADAM.

RAM user

A RAM user must have one of the following policies attached before logging on to ADAM:

PolicyAccess level
AliyunADAMFullAccessFull access to ADAM
AliyunADAMReadOnlyAccessRead-only access to ADAM

To attach a policy to a RAM user, see Grant permissions to RAM users.

Data visibility

A RAM user inherits all data of the Alibaba Cloud account it belongs to. Data generated by one RAM user is visible to all other RAM users under the same Alibaba Cloud account.