Exporting the Activity Logs from the Resource Group level differs from the resource level

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Exporting the Activity Logs from the Resource Group level differs from the resource level

Rajoli Hari Krishna 781

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Will exporting the activity logs differs from the resource group level and the resource level?

My Scenario is I want to store the 90 days activity logs of the every resource in the resource group into the azure storage account or local system storage. I have plenty of resources such as App Services (20), SQL databases (6), function apps (3), storage accounts (6), etc. So, Instead of downloading / exporting the activity logs on each resource level which involves time taking process, If i download from the resource group level, will i get all the resource level logs also?

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Ashok Gandhi Kotnana 6,680 Microsoft External Staff Moderator

Hi @Rajoli Hari Krishna

By default, Azure retains Activity Logs for 90 days. If you need to retain them longer, you can export the logs to a Storage Account, Event Hub, or Log Analytics Workspace.

Yes — when exporting or downloading activity logs at the resource group level, the export includes activity logs for all resources within that group. There's no need to export logs individually for each resource.

To export:

Navigate to the Resource Group.
Select Activity Log.
Click on the Export Activity Logs button.
Choose your desired export destination (e.g., Storage Account in your case).

If you want to retain logs without incurring additional costs, consider configuring azure storage account lifecycle management policy to either delete or archive logs that are older than your preferred retention period. Refer to link below

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Reference: https://learn.microsoft.com/en-us/azure/storage/blobs/lifecycle-management-policy-configure?tabs=azure-portal

Please let me know if you face any challenge here, I can help you to resolve this issue further

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Rajoli Hari Krishna 781 Reputation points

2025-04-29T10:00:22.95+00:00

Enabling the Diagnostic Setting and sending the logs to the storage account will incur any cost?
Ashok Gandhi Kotnana 6,680 Reputation points Microsoft External Staff Moderator

2025-04-29T10:43:30.31+00:00
Hi @Rajoli Hari Krishna

Thanks for the response back.

Diagnostic Settings and exporting logs to a Storage Account can lead to additional charges, depending on your storage configuration and usage patterns.

Please note:

Enabling diagnostic settings is free — there is no cost associated with collecting or routing logs.

However, storing logs in an Azure Storage Account will incur standard Blob Storage charges, which vary based on several factors:

Volume of logs stored (in GB)

Storage tier used: Hot, Cool, or Archive

Selected Azure region

Retention period

Sample Pricing Estimates (varies by region):

Hot Tier: ~$0.0184 per GB/month

Cool Tier: ~$0.01–$0.0125 per GB/month

Archive Tier: ~$0.00099 per GB/month (Note: Archive tier offers low storage cost but has higher retrieval fees.)

For a more accurate estimate, we recommend using the Azure Pricing Calculator.

https://azure.microsoft.com/en-in/pricing/calculator/

Additional Considerations:

If logs are also being sent to services such as Log Analytics or Event Hub, or are being queried frequently, those services may incur additional charges — for example, Log Analytics charges per GB ingested.

Recommendations to Reduce Costs:

1.Use Storage Lifecycle Management to auto-delete or archive logs after a specific duration.

2.Store logs in the Cool or Archive tier if frequent access is not required.

3.Export only essential log categories while enabling diagnostics setting

Please do not forget to "Accept the answer” and upvote it wherever the information provided helps you, this can be beneficial to other community members.it would be greatly appreciated and helpful to others.

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Exporting the Activity Logs from the Resource Group level differs from the resource level

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