Problem with Exchange – two accounts on one Outlook 2010

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Office

Outlook

Exchange-Server

Hello,

I’ve got a problem with Outlook 2010 and Office 365 Exchange Online.

I try to configure two account on one Outlook. First I add my primary account (lets says first@ms.com) and then I add second account (second@ms.com).

Other person from my company do the same thing – and we’ve got a problem – sometimes we cannot connect to our secondary account (I have added secondary account second@ms.com any college to the same thing).

When we try to send something from this second account the email message was put in the “Send Items” folder but don’t send.

We try to install SP1 for Office 2010 but with no result:
http://social.technet.microsoft.com/Forums/en-US/officeappcompat/thread/4480fe13-df71-4d25-9600-2dac368c752c/

We try “Configure Send As permissions” – this work but I need to keep the send email on the second@ms.com account – with this issue keep send email in “Send Items” in my primary (frist@ms.com) account.

Have you got any solution?

Best regards!