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Jun 11, 2021
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Add note about parallel checks #5845

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Add note about parallel checks
rrg92 Dec 23, 2020
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Updating link per Pedro's suggestion
rothja Jun 11, 2021
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6 changes: 5 additions & 1 deletion docs/t-sql/database-console-commands/dbcc-checktable-transact-sql.md
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Expand Up @@ -174,7 +174,11 @@ By default, DBCC CHECKTABLE performs parallel checking of objects. The degree of
Parallel checking can be disabled by using trace flag 2528. For more information, see [Trace Flags (Transact-SQL)](../../t-sql/database-console-commands/dbcc-traceon-trace-flags-transact-sql.md).

> [!NOTE]
> During a DBCC CHECKTABLE operation, the bytes that are stored in a byte-ordered user-defined type column must be equal to the computed serialization of the user-defined type value. If this is not true, the DBCC CHECKTABLE routine will report a consistency error.
> During a DBCC CHECKTABLE operation, the bytes that are stored in a byte-ordered user-defined type column must be equal to the computed serialization of the user-defined type value. If this is not true, the DBCC CHECKTABLE routine will report a consistency error.

> [!NOTE]
> This feature is not available in every edition of [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)]. For more information, see parallel consistency check in the RDBMS Manageability section of [Features Supported by the Editions of SQL Server](../../sql-server/editions-and-components-of-sql-server-version-15.md#RDBMSM).


## Understanding DBCC Error Messages
After the DBCC CHECKTABLE command finishes, a message is written to the [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] error log. If the DBCC command successfully executes, the message indicates a successful completion and the amount of time that the command ran. If the DBCC command stops before completing the check because of an error, the message indicates the command was terminated, a state value, and the amount of time the command ran. The following table lists and describes the state values that can be included in the message.
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