Set OWA Global Signature

I have been searching online for an answer to this, and I cannot seem to find one. I have a script that pulls info from AD and puts it into user's Outlook Clients so that users in our company have an automatically generated signature, however they do not in Outlook Web Access. I know that each user can set their signature within the OWA client, but is there any way to automate a global signature through OWA? I would prefer to NOT use a third party application also; or if this is the only option, one that is preferably free of charge. Lastly, when researching, I got some info about "event sinks"? I am totally clueless as to how to set one of these up and it looked like it would add a disclaimer instead of a signature. I need something that will NOT act like a disclaimer and always add itself to the very bottom of the email.
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BusbarSolutions ArchitectCommented:
as far as I know you cannot set signature globally, if you are using Exhcange 2007 you can use transport rules to do that.
agruber85Author Commented:
Well I currently have a logon script written to handle the signatures globally for users when using Outlook. Are you saying that there is no way to do this same thing but for OWA? I am currently using Exchange 2007
BusbarSolutions ArchitectCommented:
well, according to my knowledge never seen that script but this doesn't mean that it is impossible.
you should look for how to use EWS to set the signature for the user then customize the script to etreive the currently loggen on user and set the signature.

this is a highlevel flow for the script but I am an infra guy so I am not sure if this is doable or not.
agruber85Author Commented:
I think I see what you are getting at. So to any other experts: Is it possible to edit the OWA using EWS so that a global signature can be set for all users?
We had the same problem and we used "Policy Patrol" to set it up .. with that we control the signature from the same Exchange server .. this is the link:

Hope this helps

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