Windows update patches catalog is showing in software center but unable to download.
Step 1: Fixed the problem by enabling â€œAllow clients to connect anonymously on the site in the ConfigMgr management console: Administration -> Distribution Points.
Step 2: Enabling Windows Authentication in IIS on the distribution points that are being affected.
Open IIS Manager and navigate to the level you want to manage.
In Features View, double-click Authentication.
On the Authentication page, select Windows Authentication.
In the Actions pane, click Enable to use Windows authentication.
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Email: firstname.lastname@example.org, email@example.com
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