Using Azure Activity Log to check the progress of deployment slots swap operation

If you use Azure Web App Deployment Slots then you may have noticed that sometimes the swap action may take a while to complete. This may happen when an application that is being swapped into production has a long warmup/initialization phase. It has to be warmed up on every VM in an App Service Plan and that sometimes takes minutes (more detailed description of what happens during the swap can be found in Most common deployment slot swap failures and how to fix them). This blog post explains how to see the progress and the result of the swap operation in the Azure Activity Log.

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