Welcome to our new Microsoft Q&A Platform.
Regarding your issue, i researched a thread which is a similar issue for your reference:
Hope it helps, if there is anything else, please feel free to let me know.
This browser is no longer supported.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
Hello,
What is the use of multiple child domain in environment.
Regards,
Welcome to our new Microsoft Q&A Platform.
Regarding your issue, i researched a thread which is a similar issue for your reference:
Hope it helps, if there is anything else, please feel free to let me know.