Forum Discussion
Error code Connectivity_ICEWarn 0x80020 and Connectivity_ICEWarnEx 0x90
I'm seeing the following error codes in my MS Teams Session debug for a specific call in the admin portal: Connectivity_ICEWarn 0x80020 Connectivity_ICEWarnEx 0x9000 How should I interp...
Hi LightInTheDark ,
0x80020 might be related to a DNS resolution failure from the client, e.g. the client is not able from its source network to get name resolution completely right.
And the 0x9000 might mean that it is malformed...
Check out this:
- https://digitalbamboo.wordpress.com/2013/09/12/how-to-find-lync-ice-connectivity-failure-error-codes/
- https://www.msxfaq.de/skype_for_business/technik/icewarn.htm
- What client are you using? Windows(/Mac/Mobile/Browser/Linux)?
- How many are affected?
- Did you try it from another computer?
- Did you try it from another network, e.g. non-corporate network, test network/direct Internet link/LTE or else?
- Are all Office 365 IPs and URLs in the white listed on the FW and proxies?
- Is the client traffic via the Internet Breakout anyhow intercepted? E.g. fancy FW/proxy features which might break encryption, delay ... etc.
