How to manually fix sync problems
Azure Monitor can connect to third-party IT Service Management (ITSM) providers. ServiceNow is one of those providers.
For security reasons, you may need to refresh the authentication token used for your connection with ServiceNow. Use the following synchronization process to reactivate the connection and refresh the token:
Search for the solution in the top search banner, then select the relevant solutions
In solution screen, choose "Select All" in the subscription filter and then filter by "ServiceDesk"
Select the solution of your ITSM connection.
Select ITSM connection in the left banner.
Select each connector from the list.
Click the Connector name in order to configure it
Delete any connectors no longer in use
Update the fields according to these definitions based on your partner type
Click on sync
Click on save
f. Review the notifications to see if the process started.