[Solved] The blob cache is not enabled in this web application. Image renditions will not be generated until the blob cache is enabled error in SharePoint 2019

This SharePoint 2019 tutorial we will discuss how to solve SharePoint 2019 error The blob cache is not enabled in this web application. Image renditions will not be generated until the blob cache is enabled. For information on turning on the blob cache, please review the product documentation.

Scenario: When I was trying for branding my SharePoint 2019 site with unique experience across all the devices. I got the error as The blob cache is not enabled in this web application. Image renditions will not be generated until the blob cache is enabled. For information on turning on the blob cache, please review the product documentation.

Issue: I was trying to define various dimensions for the image to ensure the same CSS across devices in the Image Renditions list. Soon I click that link as part of site settings I was the above error message.

The blob cache is not enabled in this web application error

I have enabled blob cache for this web application as part of the web.config file. See the below code snippet for your reference.

Default code block

< BlobCache location="C:\BlobCache\14" path=" \.(gif|jpg|jpeg|jpe|jfif|bmp|dib|tif|tiff|themedbmp|themedcss|themedgif|themedjpg|themedpng|ico|png|wdp|hdp|css|js|asf|avi|flv|m4v|mov|mp3|mp4|mpeg|mpg|rm|rmvb|wma|wmv|ogg|ogv|oga|webm|xap)$" maxSize="10" enabled="false" >

If you read the code block Block cache was disabled enabled=”false” Change the code with enabled=”true” and reboot the application pool to fix this issue.

Check this blog for more insight about Image Rendition settings: https://blog.mastykarz.nl/image-renditions-sharepoint-2013/

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Hope this helps to solve The blob cache is not enabled in this web application. Image renditions will not be generated until the blob cache is enabled error, happy branding and development in SharePoint 2019 !!!