I have been searching for the culprit. Everything from the article below seems in place, however, I can't get DMS Migration Tasks to create a group and log events to Cloudwatch. This has been working perfectly for a long time and recently stopped after a renaming effort.
https://aws.amazon.com/premiumsupport/knowledge-center/dms-cloudwatch-logs-not-appearing/
Is there anywhere I can look to see why the log group creation failed or to verify it is a permission issue for sanity?
Here are the task settings for each task where logging is enabled:
{
"Logging": {
"EnableLogging": true,
"EnableLogContext": false,
Here is a dms granted IAM Role:
Here is the role above's policy attachment:
Oh, wow! I did not see that as a mandatory requirement. Thanks for the quick answer on this!
Actually, it seems to work if the name *starts with dms-cloudwatch-logs-role.