Ad hoc update to system catalogs is not supported



“Ad hoc update to system catalogs is not supported.”


If the “allow updates” option in SQL Server Instance is enabled, you receive this error when you run the following sample code.


If you want to leave ‘allow updates’ enabled, then type the code as follows:


If you disable the ‘allow updates’ option using the sp_configure Stored Procedure, you can run the first code without error:

Ekrem Önsoy
Author: Ekrem Önsoy

The original article was written in Turkish by Ekrem Önsoy and translated to English by dbtut with the consent of the author. The copyright of the article belongs to the author. The author shall not be liable in any way for any defect caused by translation.

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