Hi Dean,
Welcome to our forum.
This is an issue about skype for business. For solving this issue as soon as possible, we suggest you repost this case to the following forum:
https://social.msdn.microsoft.com/Forums/en-US/home?category=SfB
The reason why we recommend posting appropriately is you will get the most qualified pool of respondents, and other partners who read the forums regularly can either share their knowledge or learn from your interaction with us. Thank you for your understanding.
Notice: We will add Microsoft recommend we didn’t do any modify on hardening IIS in Skype for business server, Microsoft will be out of support if there are some corrupt after we modify it.
Best Regard,
Jim Xu
TechNet Community Support
Please remember to
mark the replies as answers if they help and
unmark them if they provide no help.
If you have feedback for TechNet Subscriber Support, contact
tnmff@microsoft.com.
