To prevent migration task errors from blocking the SMC migration process, you can subscribe to SMC task failure event notifications in Cloud Monitor, ensuring prompt receipt of emails.
Cloud Monitor is an integrated monitoring service from Alibaba Cloud that enables you to query, manage, and monitor system events across Alibaba Cloud services. For more information about Cloud Monitor, see What is CloudMonitor.
Procedure
Step 1: Create alert contacts and alert contact groups
To receive notifications about SMC task errors, you must first create alert contacts and alert contact groups, then add alert contacts to the group.
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Log on to the Cloud Monitor console.
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Create an alert contact.
In the navigation pane on the left, choose .
On the Alert Contacts tab, click Create Contact.
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In the Set Alert Contact panel, configure the necessary parameters for the alert contact.
The following table describes the key parameters. You can retain the default values for other parameters. For more information, see Create an Alert Contact.
Parameter
Description
Name
The name of the alert contact. The name must start with a letter and must be 2 to 40 characters in length. It can contain letters, digits, periods (.), and underscores (_).
Region for Alert Notification Service
The region where you want to use the alert notification service. Data provided by the alert notification service, such as the contact name and email address, are stored and processed in the selected region.
Mobile Phone
Only mobile phone numbers prefixed with the country code 86 support alert notifications via text messages.
Mailbox
The email address of the alert contact.
Language of Alert Notifications
The default value is Automatic. This indicates that Cloud Monitor automatically selects the language of alert notifications based on the language that you use to create your Alibaba Cloud account.
After you confirm that the information is correct, click Confirm.
(Optional) Activate the email address of the alert contact.
If you set an email address for an alert contact, its status is Pending Activation by default. The alert contact must click the activation link in the email within 24 hours. Otherwise, the contact cannot receive alert notifications. After activation, the email address of the alert contact appears in the alert contact list.
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Create an alert contact group.
In the navigation pane on the left, choose .
Click the Alert Contact Groups tab.
On the Alert Contact Groups tab, click Create Contact Group.
In the Create Contact Group panel, enter a name for the group and select existing alert contacts.
Click Confirm.
Step 2: Create a notification configuration policy
Configure the alert contact group to ensure timely receipt of notifications.
In the navigation pane on the left, choose .
On the Notification Configurations page, click Create Policy.
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In the Create Policy panel, configure the necessary parameters for your notification policy.

The following table describes the key parameters. You can retain the default values for other parameters. For more information, see Create a Notification Configuration Policy.
Parameter
Description
Name
The name of the notification configuration policy.
Comment
The description of the notification configuration policy.
Notification Settings
Select Set Notification Group Directly.
Contact Group
Select the alert contact group.
Click OK.
Step 3: Create a subscription policy
Configure Cloud Monitor to automatically send the original alert notification to the alert contact upon SMC migration task failure.
In the navigation pane on the left, choose .
NoteYou can also create a subscription policy from the System Event menu. The steps are as follows:
In the navigation pane on the left, choose .
In the Welcome To The New Event Center section, click Create Now.
On the Subscription Policy tab, click Create Subscription Policy.
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On the Create Subscription Policy page, set the parameters for the subscription policy.
The following table describes the key parameters. You can retain the default values for other parameters. For more information, see Create a Subscription Policy.

Area
Parameter
Description
Basic Information
Name
The name of the subscription policy.
Comment
The description of the subscription policy.
Alert Subscription
Subscription Type
Select System Event.
Subscription Scope
Select Server Migration Center for Product. No other parameters need to be selected.
Notification
Notification Settings
Select the created notification configuration policy.
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Click Submit.
Step 4: View alert notifications
When an SMC migration error occurs, Cloud Monitor automatically issues an alert notification to the alert contact for prompt action.

Email notification examples are as follows.