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Applies to:
SQL Server - Windows only
Azure SQL Managed Instance
Important
Master Data Services (MDS) is removed in SQL Server 2025 (17.x) Preview. We continue to support MDS in SQL Server 2022 (16.x) and earlier versions.
In Master Data Services, when you create model objects or members, some words cannot be used. Using these words may cause errors.
Note
You should also limit your use of special characters (symbols, hyphenation, etc.).
Models
If you create a model with the name set to Name or Code, do not select Create entity with same name as model because Name or Code cannot be used for the name of an entity.
Entities
For entity names, you cannot use Name or Code.
Explicit hierarchies
For explicit hierarchy names, you cannot use Name or Code.
Attributes
ID
Code
EnterUserName
LastChgUserName
Name
EnterDTM
EnterUserID
EnterUserName
LastChgDTM
LastChgUserID
Status_ID
ValidationStatus_ID
Version_ID
Members
For members, you cannot use MDMMemberStatus, MDMUnused, or ROOT for the Code attribute value.