Description

The HTTPS URL generated by LinkManager includes port ":443" even though it is the default HTTPS port, for example:

https://hostname:443/itemname.aspx

Solution

• To resolve this issue in Sitecore XP releases prior to 9.1, download and apply the appropriate patch available on this page: https://github.com/SitecoreSupport/Sitecore.Support.93141/releases.
• Contact Sitecore Support to get a fix for Sitecore XP 9.1.