It can happen on Widows 10, you are unable to connect with apps like Outlook, Teams or OneDrive and it states “no internet connection” allthough this is not the case. Try resetting the legacy browser setting:
RunDll32.exe InetCpl.cpl,ResetIEtoDefaults
Also, there is a know issue if you have a Dell laptop running the “Dell Optimizer” software. This could prevent you from connecting when enabling MFA.
When swapping out your Sonicwall Gen6 for a newer Gen7 the config needs to be converted,- unless you want to start
Check available optional features: DISM /Online /Get-Capabilities Install an optional feature: DISM /Online /Add-capability /capabilityname:Media.MediaFeaturePack~~~~0.0.1.0
Check AD retention tombstone value: Import-Module ActiveDirectory $ADForestconfigurationNamingContext = (Get-ADRootDSE).configurationNamingContext $DirectoryServicesConfigPartition = Get-ADObject -Identity “CN=Directory Service,CN=Windows NT,CN=Services,$ADForestconfigurationNamingContext” -Partition $ADForestconfigurationNamingContext -Properties *