MscrmTools
MscrmTools
When using Microsoft Login Control, I have no control at all on how it behaves...
Can you give me the version of connection controls you are using?
In Settings 
OK, so these McTools.Xrm.Connection assemblies are beta one and should be removed... Can you check your settings for the category Connection Controls and see if you are using pre release?
Sorry, but I can't do anything for you, AFAIK. The whole MFA authentication is handled by Microsoft assemblies, not XrmToolBox code itself.
This app is the one provided by Microsoft and is available for all tenants Reference : https://learn.microsoft.com/en-us/power-apps/developer/data-platform/xrm-tooling/use-connection-strings-xrm-tooling-connect#connection-string-parameters (See the note) But if using Microsoft Login Control or Oauth connection, you...
Hi @helenayan99, this issue is generally caused when using wrong connection controls assembly. Please check in your settings if you are using beta versions or not for connection controls and...
I guess there is an issue where you have a too recent version of ms assemblies... Can you try to download XrmToolBox again and replace Microsoft assemblies with these from...
Can you try to change this setting and see if it changes something when reconnecting? 
Keeping the suggestion open but I'm not planning to handle this soon