Second Mailbox in Outlook Password Prompt

I have second mailbox added in Outlook and when Outlook is opened "Windows Security" window comes up every time asking for password.  "Connecting to 'mailboxname@domain.***' " ... Even if I check the box Remember my credentials it still prompts me the next day or next time Outlook is closed/re-opened.

Can this be set so the password is remembered?

??
Thanks,,
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mvalencia2003Asked:
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omgangIT ManagerCommented:
How did you add the second mailbox?  I'm seeing this behavior if the second mailbox is added by adding a second account via mail setup.  If the second mailbox is added via Outlook (Primary mailbox --> Data File Properties --> Advanced button --> Advanced Tab --> Open These Additional Mailboxes) the users are not receiving the prompts login prompts.  Outlook 2010.
OM Gang
Murali ReddyExchange ExpertCommented:
Is the mailbox be granted with full access permission for the outlook launching user?

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mvalencia2003Author Commented:
added via E-mail accounts , through Account Settings.  if added via : "Outlook (Primary mailbox --> Data File Properties --> Advanced button --> Advanced Tab --> Open These Additional Mailboxes)" , Mailbox will not open when clicking on arrow next to mailbox ...

Is this only way to not get prompted for the password every time???
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Muhammad MullaSystems AdministratorCommented:
As Murali has mentioned, the user trying to open the mailbox must have permissions granted to it. This can either be done by the owner, or through Exchange Management Console or Shell.
omgangIT ManagerCommented:
Yes, permissions must be granted for the mailbox and folders.  Still, I am seeing the described behavior for users that have appropriate permissions.  In both cases the user has access to the second mailbox; they are being prompted for credentials each time they restart Outlook when the second mailbox is added as described by the asker.
OM Gang
mvalencia2003Author Commented:
Fixed, granted owner rights to it ... NO more password prompt
,


Thanks all!!!
,,...
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