Two-Factor Auth v4.6 - older
If you are using 2FA v4.6 or older see this article to upgrade.see this article: How can I upgrade 2FA from v1.6 v2.x or v3.0 to v5.0 - https://help.scorpionsoft.com/entries/97443446
Two-Factor Auth v5.0 - newer
If you are using 2FA v5.0 please see this article: Two-Factor Auth upgrade guide from v5.0 to v5.6 https://help.scorpionsoft.com/entries/97443316
Note: With the release of 2FA v5.5 x86 servers are no longer supported. You will need to be using an x64 server as per https://help.scorpionsoft.com/entries/25881456
If you have any questions or need some help, we would be happy to assist. Open a case at kaseya.zendesk.com .