Skype4business does not allow to access outside organization network message inside the corporate Network

Skype4business does not allow to access outside organization network message inside the corporate Network

Skype4business does not allow to access outside organization network message inside the corporate Network. You are connected into the corporate Network independently if it is via LAN or WiFi, or if it is in the Office or doing home office through the VPN.

That from time to time, and without much explanation you receive this sign-in message.

“Your Skype for Business account does not allow access from outside your organization’s network. Please connect to your organization’s network and then try signing in to Skype for Business”

Skype4business does not allow to access outside organization network message inside the corporate Network
Your Skype for Business account does not allow access from outside your organization’s network. Please connect to your organization’s network and then try signing in to Skype for Business

When you review in the Event Viewer of your computer, inside the “Application” section. you can see some errors stated during the time the issue happened to you.

“Event 3, Lync” –> “Lync no pudo resolver el nombre de host DNS del servidor de inicio de sesión extsip.company.com” that could be something like this in English: “Lync was not able to resolve the DNS name of the server in charge of sign-in”

Skype4business does not allow to access outside organization network message inside the corporate Network
Lync no pudo resolver el nombre de host DNS del servidor de inicio de sesión

You think that maybe there is some issue with the PAC file configuration inside the Proxy settings in the computer.

So you check on the Internet Explorer, inside “Internet Options”

Skype4business does not allow to access outside organization network message inside the corporate Network
Internet explorer, and check “Internet Options”

You go to the “Connections” tab, and into the “LAN Configuration”, you unselect temporarily the checkbox “Usar scripts de configuración automática” (Use scripts of automated mode)

Skype4business does not allow to access outside organization network message inside the corporate Network

After doing this, you realize that the sign-in is possible, and you don’t receive any more the error. “Your Skype for Business account does not allow access from outside your organization’s network. Please connect to your organization’s network and then try signing in to Skype for Business”

This could lead into the conclusion that some exclusion is pending to be added into the PAC file, and you need to talk with the responsible IT team to adjust this accordingly.

You may need to request to an exclusion for the proxy similar to this: “ shExpMatch(host, “*company.com”)                   ||” into the PAC File.

You can find, more content regarding Skype for Business, here.

Further support in the Microsoft Skype for business section.

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