Azure App Service log files. Web Apps are a part of the Azure App Services offering. If this is your first time using Azure Log Analytics in your subscription, you're asked to enable it. Azure Lighthouse is available at no additional charge. It's just unbelievable good microsoft product and you can log there from everywhere.

By default, requests with an HTTP Status of 400-999 only, are logged. Given the transient nature of an Azure instance, all local storage must be considered temporary at best. Log Types. Figure 2b, Failed Request Tracing for an Azure App Service, ex: Web App, API App, Mobile App or Logic App. Reference to the official Azure Web Apps Logging Document. In this post, we’ll look at the diagnostic logs that Azure provides. To see the logs for a particular function invocation, select the Date (UTC) column link for that invocation. Download with Azure PowerShell - To download the log files, start a new instance of Azure PowerShell and use the command, given below- Save-AzureWebSiteLog -Name webappname This will save the logs for the web app specified by the -Name parameter to a file named logs.zip in the current directory. Azure log streaming supports viewing log activity in real time from: The app server; The web server; Failed request tracing; To configure Azure log streaming: Navigate to the App Service logs page from the app's portal page. If you can use Azure just use Application Insights and you done. Choose Run in Application Insights to view the source of the query that retrieves the Azure Monitor log data in Azure Log. Azure log streaming. Microsoft Azure portal Build, manage, and monitor all Azure products in a single, unified console Cloud Shell Streamline Azure administration with a browser-based shell Azure mobile app Stay connected to your Azure resources—anytime, anywhere Azure Lighthouse usage is free. Enter your Email and we'll send you a link to change your password. See all products; Documentation; Pricing; Training Explore free online learning resources from videos to hands-on-labs Marketplace; Partners Find a partner Get up and running in the cloud with help from an experienced partner; Become a partner Build more success with the industry's most extensive partner network; For ISVs Scale your apps on a trusted cloud platform The logging is very important for application life cycle. Microsoft Azure portal Build, manage, and monitor all Azure products in a single, unified console Cloud Shell Streamline Azure administration with a browser-based shell Azure mobile app Stay connected to your Azure resources—anytime, anywhere The logging output for that invocation appears in a new page. Note that you may incur charges for use of underlying Azure services, such as Azure Monitor Log Analytics and Security Center, while using Azure Lighthouse. Given the cost of Azure table storage transactions, logging directly to Azure storage is extremely cost effective. Choose the log Level. If an underlying service is offered for free, you won’t be charged for using it.