BROKER_AUTHENTICATOR_ERROR_GETAUTHTOKEN - AzureAD/azure-activedirectory-library-for-android GitHub Wiki
Connection is not available to refresh token
This error is from broker and caused by the device network error. It occurs when the app is trying to call broker to get new access token with refresh token and failed because the network is disconnected. The client app could do a retry or ask the user to connect network.
Unable to resolve host
com.microsoft.aad.adal.AuthenticationException: Unable to resolve host "login.microsoftonline.com": No address associated with hostname
com.microsoft.aad.adal.AuthenticationException: Unable to resolve host "login.windows.net": No address associated with hostname
It is a DNS issue from AAD.