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Comments on Convert Synapse SQL Server hex `sid` to Azure Entra group object ID.

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Convert Synapse SQL Server hex `sid` to Azure Entra group object ID.

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Suppose I have an Azure Synapse Serverless SQL database.

I can run the following to get the sid of added groups:

select name, type_desc, authentication_type_desc, sid
from sys.database_principals
where type_desc = 'EXTERNAL_GROUP'

However, the sid is a long hex string, something like 0xABC123456789ABCDEF.

Is it possible to convert the hex sid to an Azure Entra group object ID?

I'm trying to confirm that the permission record in Synapse SQL Server is referring to the correct Azure Entra group, to rule out the possibility that it's referring to a group with the correct name, but the wrong ID.

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Hint (1 comment)
Hint
Alexei‭ wrote 2 months ago

I am not familiar with Synapse SQL, but I can provide some hints that might help you find what you want.

sid (or SID) is used on Windows as a Security Identifier and it is different from Object Id used by Azure AD (Entra).

I would try to rely on some other identifier for matching (e.g. user name, UPN or similar).