Exchange server 2003 activesync authentication error

Hi.  I'm connecting an adroid phone to one of my clients exchange server via activesync,  I keep getting the error:
Authentication Failed
Please verify username and /or password

I've tried 3 different users and I know I have the credentials right.

Any ideas would be most welcome.

Who is Participating?
hmcnastyAuthor Commented:
Hi. I went through this article with the same results.  I gave the client the option to have me fix it via microsoft.  Do you have any other ideas on what it could be.  I've even tried to use different devices.
hmcnastyAuthor Commented:
I went back through this and it worked
Hendrik WieseInformation Security ManagerCommented:
Glad it is sorted now.

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