question

EunsuPark-0043 avatar image
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EunsuPark-0043 asked deherman-MSFT answered

Azure classic storage migraton to ARM

Hello,

I tried to migrate the Azure classic storage to ARM in the Azure portal.
In step 2 preparing, got the error.
"Unexpected error encountered while preparing migration. Click here to create a new support request. The error was: _errorData: undefined _sourceErrorLevel: undefined baseTypes: ["MsPortalFx.Errors.AjaxError","MsPortalFx.Errors.Error"] code: undefined data: {"uri":"https://management.azure.com/subscriptions/~/resourceGroups/~/providers/Microsoft.ClassicStorage/storageAccounts/~/operationStatuses/b2faf2dd986b00c5b0e8236c4c678219?api-version=2016-11-01&return-path=","type":"GET","pathAndQuery":"","requestId":"35a7c775-2dde-4212-85bf-7ec1044fd063","failureCause":"","sessionId":"xxxxxxx4a27f","commandName":"Microsoft_Azure_Storage.classicVNet_prepareMigration","status":409,"statusText":"error","duration":1339.7999999970198} errorLevel: 2 errorThrown: extension: Microsoft_Azure_Storage handled: undefined innerErrors: [] jqXHR: {"readyState":4,"responseText":"{\"error\":{\"code\":\"OperationFailed\",\"message\":\"The operation 'xxxxx19' failed: 'The server encountered an internal error. Please retry the request.'.\"}}","responseJSON":{"error":{"code":"OperationFailed","message":"The operation 'xxxx19' failed: 'The server encountered an internal error. Please retry the request.'."}},"status":409,"statusText":"error"} message: ajaxExtended call failed name: Error source: undefined stack: null textStatus: error timestamp: 2444575.600000009 type: MsPortalFx.Errors.AjaxError

then "Retry abort" again but preparation failed again.
How can I fix this error?

Thanks
Eunsu

azure-storage-accounts
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1 Answer

deherman-MSFT avatar image
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deherman-MSFT answered

@EunsuPark-0043
Sorry to hear you are having issues migrating to ARM. This error has happened in the past when there was VM images, VM machines with disks, or unattached disks in the storage account. Please check to see if this is the case and delete them then retry the migration. The commands to find these resources are in the section here.

Hope this helps! If you are still facing issues please open a support case and let me know the case number so I can track its progress.



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