Merge pull request #196388 from bwren/patch-33

Update data-collection-text-log.md

Author: PRMerger19

articles/azure-monitor/agents/data-collection-text-log.md

@@ -9,8 +9,8 @@ ms.date: 04/15/2022
 # Collect text and IIS logs with Azure Monitor agent (preview)
 This article describes how to configure the collection of file-based text logs, including logs generated by IIS on Windows computers, with the [Azure Monitor agent](azure-monitor-agent-overview.md). Many applications log information to text files instead of standard logging services such as Windows Event log or Syslog. 
 
-> [!NOTE]
-> This feature is currently in public preview and isn't completely implemented in the Azure portal. This tutorial uses Azure Resource Manager templates for steps that can't yet be performed with the portal.
+>[!IMPORTANT]
+> This feature is currently in preview. You must submit a request for it to be enabled in your subscriptions at [Azure Monitor Logs: DCR-based Custom Logs Preview Signup](https://aka.ms/CustomLogsOnboard).
 
 ## Prerequisites
 To complete this procedure, you need the following: 
@@ -35,6 +35,9 @@ The steps to configure log collection are as follows. The detailed steps for eac
 3. Create a data collection rule to define the structure of the log file and destination of the collected data.
 4. Create association between the data collection rule and the agent collecting the log file.
 
+> [!NOTE]
+> This feature is currently in public preview and isn't completely implemented in the Azure portal. This tutorial uses Azure Resource Manager templates for steps that can't yet be performed with the portal.
+
 ## Create new table in Log Analytics workspace
 The custom table must be created before you can send data to it. When you create the table, you provide its name and a definition for each of its columns.