Exchange Server Connection Error - Galaxy S III Q&A, Help & Troubleshooting

Hi
Just got my S3 yesterday and I tried setting my my corporate mail on it. The account is set up fine but right after it finishes the settings it shows "Error connecting to server (<mailbox name>). I have stock rom and I am using stock email client.
Other clients works fine.
Thanks.

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i9300 Mailbox Connection Error
View attachment 1264495
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yana209 said:
Hi
Just got my S3 yesterday and I tried setting my my corporate mail on it. The account is set up fine but right after it finishes the settings it shows "Error connecting to server (<mailbox name>). I have stock rom and I am using stock email client.
Other clients works fine.
Thanks.
Click to expand...
Click to collapse
This is the 3rd i9300 where I am setting up corporate email, it went very well on the first 2, on the 3rd one, no way, I get the following warnings.
I did the following steps:
1. Removed the ActiveSync account from the phone
2. Access Baha's Exchange 2010 mailbox via OWA then click on 'Options->See All Options->Phone->highlight the Samsung entry then press the X to delete the association.
3. Launch the Outlook application that is configured to synchronize with the mailbox by clicking on Start->Run then typing the following and press Enter (note: Outlook's AutoComplete offers suggested email addresses to use from previous correspondences - this is what will be cleared):
outlook.exe /CleanAutoCompleteCache
and although I don't get anymore the security update warning, I am getting "connection error" and "error connecting to server"
It is a brand new handset, not rooted