I made the change, re-ran "go install github.com/juju/juju/cmd/juju" and
still experienced the same issue:

Logs at: http://lastcoolnameleft.com/mini/azure.log (for real this time.
Sorry about that earlier mishap)

➜  juju git:(develop) ✗ git diff
diff --git a/provider/azure/internal/azureauth/interactive.go
b/provider/azure/internal/azureauth/interactive.go
index ea9dae428c..39e8bd9d05 100644
--- a/provider/azure/internal/azureauth/interactive.go
+++ b/provider/azure/internal/azureauth/interactive.go
@@ -242,7 +242,7 @@ func createOrUpdateServicePrincipal(
                },
                Clock:       clock,
                Delay:       5 * time.Second,
-           MaxDuration: time.Minute,
+         MaxDuration: 5 * time.Minute,
        }
        if err := retry.Call(retryArgs); err != nil {
                if !isMultipleObjectsWithSameKeyValueErr(err) {


➜  juju git:(develop) ✗ juju add-credential --logging-config '<root>=TRACE'
--log-file=/tmp/azure.log azure

Enter credential name: test

A credential with that name already exists.
Replace the existing credential? (y/N): y

Auth Types
  interactive
  service-principal-secret

Select auth type [interactive]:

Enter subscription-id:

Initiating interactive authentication.

To sign in, use a web browser to open the page https://aka.ms/devicelogin
and enter the code BEFZ8TGE6 to authenticate.

Authenticated as "Tommy Falgout".
Creating/updating service principal.
ERROR finalizing credential: creating service principal: max duration
exceeded: ad.ServicePrincipalsClient#Create: Failure responding to request:
StatusCode=0 -- Original Error: autorest/azure: Service returned an error.
Status=404 Code="Request_ResourceNotFound" Message="Resource
'ServicePrincipal_4588da91-7a39-4832-8f01-bf8c8fb26bc8' does not exist or
one of its queried reference-property objects are not present."

On Sun, May 7, 2017 at 11:11 PM Andrew Wilkins <email address hidden>
wrote:

> Tommy, the log says 26 Apr. Looks like it didn't get updated.
>
> It wouldn't hurt to try updating the timeout. The line is
>
> https://github.com/juju/juju/blob/develop/provider/azure/internal/azureauth/interactive.go#L245
> .
> Please try changing that to `5 * time.Minute`, and see if that helps.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1680523
>
> Title:
>   add-credential azure fails
>
> Status in juju:
>   Fix Committed
>
> Bug description:
>   I am receiving the following error when running "juju add-credential
>   azure".  I have tried two different subscription ID's, both have the
>   same issue.
>
>   Sign In
>   Sorry, but we’re having trouble signing you in.
>   We received a bad request.
>
>   Additional technical information:
>   Correlation ID: 9da27091-d4a3-4e93-81e0-41e016d8276a
>   Timestamp: 2017-04-06 16:01:06Z
>   AADSTS90093: Calling principal cannot consent due to lack of permissions.
>
>   To reproduce the problem:
>
>   ➜  ~ juju add-credential azure
>   Enter credential name: test
>   A credential with that name already exists.
>
>   Replace the existing credential? (y/N): y
>   Auth Types
>   interactive*
>   service-principal-secret
>
>   Select auth-type: interactive
>   Enter subscription-id: <removed>
>   Initiating interactive authentication.
>
>   To sign in, use a web browser to open the page
>   https://aka.ms/devicelogin and enter the code <removed> to
>   authenticate.
>
>   -- Go to link
>
>   Enter the code that you received from the application on your device
>
>   Juju CLI Application publisher: Click cancel if you received this code
>   from a different application
>
>   -- Click Continue
>
>   -- Enter credentials
>
>   Sorry, but we’re having trouble signing you in.
>   We received a bad request
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/juju/+bug/1680523/+subscriptions
>