outlook anyware

I can not connect to exchange 2007 server from a computer using a 4G internet connection using outlook anyware in outlook 2013. It complains about the security certificate is invalid.

But I can use the same exchange email account from my Apple IPad and it works well.

Can I use an older version of outlook or do they all require a valid security certificate?
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Peter HutchisonSenior Network Systems SpecialistCommented:
What root certificate is the site using. It is probably missing or out of date on your computer.

1. Open IE and go to the OWA page
2. Select File, Properties, Certificate
3. Select Certification Path
4. Select top level certificate in path and click Install.
5. Repeat for any intermediate certificates.

Then try Outlook again.
Natty GregIn Theory (IT)Commented:
certificate problem update your phone
Simon Butler (Sembee)ConsultantCommented:
You need to look at the SSL certificate that is being returned to ensure that it is the correct one.
If it is, then look at the certificate to see if it is valid.
All versions of Outlook require valid certificates to make a connection without prompts.

However mobile devices are a different matter. Apple ones in particular don't care about the SSL certificate being involved and therefore will usually NOT return SSL errors and will connect despite errors with the certificate.


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