Joomla site reverts httpS back to http

My joomla 1.5 site is setup for http and https.I want to start using SSL, but when is enter https://sitename, the url instantly changes to http://sitename.
Ik don't know how the url can be rewritten or how to troubleshoot. Running on IIS6 on Win2003
Any help?
Regards Rini
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Abhijeet RananawareWeb & Mobile DeveloperCommented:
Have u enabled ssl via Menu Manager of Joomla ??

RBraatAuthor Commented:
What do you mean with " menu manager", there is nothing about SSL to set.
In the default menu SSL activated is ON.
Abhijeet RananawareWeb & Mobile DeveloperCommented:
I meant to say .for each menu item is ssl enabled ?
you have to enable SSL for each menu Item...

Is SEF enabled ?or any kind of redirects enabled on your site ?

can I have a link to site ?\

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RBraatAuthor Commented:
no, not jet, only the default menu is set to ssl, but to test it now this should ne enough, because this pags is already redirected to http.
SEF is enabled, this should be possible?
A link to the sit'e won't work, because it is behind a ISA and ISA redirects everything to SSL, but internal trafic to the site is http, and that I also wants to change to https. So I can only test it on my local network.
Abhijeet RananawareWeb & Mobile DeveloperCommented:
Try this plugin ...

Also are you using Mod_rewrite ? ..if yes check .htacess file in Joomla root folder .. whether it is redirecting https to http..

RBraatAuthor Commented:
I will have a look.
htacess plays no role, i'm runnin IIS
Abhijeet RananawareWeb & Mobile DeveloperCommented:
Yes It plays role when u install mod rewrite for IIS

so its possible for IIS also..Thats y i asked.

RBraatAuthor Commented:
I have no rewriters installed and to be sure I renames the htaccess file
its not due to httaccess then, but its surely some plugin that is doing this...

can you disable all the plugins that you installed and then check.

if you find its working after disabling them,
then you can enable them again one-by-one to track the actual culprit.

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RBraatAuthor Commented:
Found it, thanks for the suggestion to disable all plugings! It seemed there was a plugin named "SSL Redirect plugin" doing a very nice job, while I was not aware of it's precence.
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