Form prefill issues on SSL since Pre-Fill Feature Upgrade

[Charlie_Marketo]

Has anybody else found that form prefill on a Marketo LP is no longer working from a clicked link in an email when SSL is enabled since the implementation of the Form Pre-Fill Feature Upgrade?

I noticed it on testing an email today, and after bashing my head against a brick wall for hours, performed some tests across a selection of my clients.  Prefill worked for those that don't have SSL enabled but didn't for those that do.

In the process of testing, I also discovered that mktoPreFillFields is no longer accessible to js on any of the LPs tested.

Has it been replaced with something else?

[Charlie_Marketo]

Sanford Whiteman‌ Jay Jiang  - sorry for the delay in responding but was out of the office all day yesterday

I have run tests on a range of different instances and the only one that is displaying the issue is sj02.

Justin, I have raised a support case and will send details to you directly

[Matjaž_Jaušove2]

We are on lon09 and we don't experience this issue.

[Charlie_Marketo]

I have tested app-lon09 as well and appears to be ok.

app-e also appears to be ok

[SanfordWhiteman]

Works on the 2 SSL instances I tried. Per-instance bug perhaps... I'd have to dig into some more environments.

[SanfordWhiteman]

Can't repro any of this. Surely the instances or environments have something else in common besides SSL.

In the process of testing, I also discovered that mktoPreFillFields is no longer accessible to js on any of the LPs tested.

Has it been replaced with something else?

No, it's the same. Of course if you refresh the page without mkt_tok it won't be present.