Merge pull request #227109 from MeirMen/patch-44

Add note for old or future TimeGenerated

Author: prmerger-automator[bot]

articles/azure-monitor/logs/log-standard-columns.md

@@ -28,6 +28,9 @@ The **TimeGenerated**  column contains the date and time that the record was cre
 > [!NOTE]
 > Tables supporting classic Application Insights resources use the **timestamp** column instead of the **TimeGenerated** column.
 
+> [!NOTE]
+> The **TimeGenerated** value cannot be older than 2 days before received time or more than a day in the future. If in some situation, the value is older than 2 days or more than a day in the future, it would be replaced with the actual recieved time.
+
 ### Examples
 
 The following query returns the number of error events created for each day in the previous week.