Microsoft SQL Server database ranks third in the relational database, second only to Oracle and MySQL database. when using it, it is inevitable to encounter various problems and warnnings. You may be dba or a developer, I hope this content can help you solve SQL Server error number 20666.

Error number: 20666

Severity level: 16

Event logged: Cannot refresh the identity range and/or the check constraint on the Publisher. Ensure the following: that the value in the identity column has not reached the maximum for the data type in the identity column; and that the user who made the last insert has the privileges to drop and re-create the check constraint.


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