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If you need access to all mailboxes (like for a Blackberry service account) you can run the following powershell script.<br />
<br />
get-mailbox -resultsize:unlimited | add-mailboxpermission -user username -accessright Fullaccess
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If you need access to all mailboxes (like for a Blackberry service account) you can run the following powershell script.

get-mailbox -resultsize:unlimited | add-mailboxpermission -user username -accessright Fullaccess

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I have Exchange 2007 SP1 on a MS Standard 2008 64 bit box. At my client desktop I have outlook 2007. I have had several profiles set up to view other users email to assist with issues. Now any new user I set up it will not allow me to connect. As usuall I am prompt for user name and password of the admin account. I enter the credentials in no different than any of the accounts that do work and I get an error it reads:<br />
&quot;Cannot open your default e-mail folders. Microsoft Exchange is not available. Either there are network problems or the Exchange Computer is down for maintenance.&quot;<br />
Other profiles open without problem. Please Advise and thank you!<br />
<br />
&nbsp;
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I have Exchange 2007 SP1 on a MS Standard 2008 64 bit box. At my client desktop I have outlook 2007. I have had several profiles set up to view other users email to assist with issues. Now any new user I set up it will not allow me to connect. As usuall I am prompt for user name and password of the admin account. I enter the credentials in no different than any of the accounts that do work and I get an error it reads:
"Cannot open your default e-mail folders. Microsoft Exchange is not available. Either there are network problems or the Exchange Computer is down for maintenance."
Other profiles open without problem. Please Advise and thank you!

 

I can not connect to any additional users Mailboxes with outlook?

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.

Outlook

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.