Forum Discussion
Skype for Business Network Assessment Tool & network 52.114.*.*
The document - Office 365 URLs and IP address ranges lists IP addresses used by the Skype for Business Service. Running the Skype for Business Network Assessment Tool fails on a range of addresses that are not mentioned in that document - is there an updated version of the tool available ?
Please check if IP 52.114.14.0 is reachable using UDP on Port 3478
Please check if IP 52.114.76.1 is reachable using UDP on Port 3478
Please check if IP 52.114.74.3 is reachable using UDP on Port 3478
Please check if IP 52.114.142.1 is reachable using UDP on Port 3478
Please check if IP 52.114.158.13 is reachable using UDP on Port 3478
Please ensure your firewall allows connections to the following domains: *.cc.skype.com
Ian
Hi Ian Moran,
52.112.0.0/14 is listed on Office 365 URLs and IP address ranges. This range goes from 52.112.0.1 - 52.115.255.254 and includes the IP addresses you asked below (I used this subnet calculator).
hth,
thomas
14 Replies
Hi Ian Moran,
52.112.0.0/14 is listed on Office 365 URLs and IP address ranges. This range goes from 52.112.0.1 - 52.115.255.254 and includes the IP addresses you asked below (I used this subnet calculator).
hth,
thomas
Hi Thomas Binder,
I have the same problem with the IP addresses and blocked connections in Microsoft Teams.
I can not follow your answer, If i check the ip calculator I see not the range 52.112.0.1 - 52.115.255.254
Maybe you can tell me more details about the ip range.
regards,
Martin
Martin Alter, which IP address do you see blocked or not listed?
That same range is failing from several locations/tenants here in the UK where the firewalls have been configured to allow connections to all destinations on UDP 3478, 3479, 3480 & 3481
Everything appears to be working but on one site we were having intermittent issues with screen sharing
I can confirm that they are failing for me as well. I will follow up with the team.
Ah of course, thanks Thomas.
