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Check this.<br />
<br />
<a href="http://support.microsoft.com/kb/830827" rel="ugc nofollow">http://support.microsoft.com/kb/830827</a>
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Check this.

http://support.microsoft.com/kb/830827 [http://support.microsoft.com/kb/830827]

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Hi Hotzenwalder,<br />
<br />
Are you able to setup the permission for Exchange virtual directory on your front-end server? If there is a solution to it, I would love to know how you configure it. &nbsp;Thanks.
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Hi Hotzenwalder,

Are you able to setup the permission for Exchange virtual directory on your front-end server? If there is a solution to it, I would love to know how you configure it.  Thanks.

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We're in the midst of a mail migration between two companies. For a pilot with mail migration we want to disable Outlook WebAccess for a specific group of users. The mail is migrated to a different AD domain, but during the pilot the users still need to log in with the credentials from the old domain. Due to these circumstance we can't use the Exchange Feature to disable OWA because by using this setting the cannot use the webmail in the new domain. <br />
<br />
The idea now is to disable access to the old OWA environment by setting Deny rights in the ACL of the OWA IIS site, but we cannot find any tab or directory to set these deny rights. The /exchange virtual folder is redirected to '\\.\BackOfficeStorage\prc<wbr />.nl\MBX' but browsing to this folder is not possible. We have a frontend/backend configuration in place.<br />
<br />
Any help is appreciated.
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We're in the midst of a mail migration between two companies. For a pilot with mail migration we want to disable Outlook WebAccess for a specific group of users. The mail is migrated to a different AD domain, but during the pilot the users still need to log in with the credentials from the old domain. Due to these circumstance we can't use the Exchange Feature to disable OWA because by using this setting the cannot use the webmail in the new domain. 

The idea now is to disable access to the old OWA environment by setting Deny rights in the ACL of the OWA IIS site, but we cannot find any tab or directory to set these deny rights. The /exchange virtual folder is redirected to '\\.\BackOfficeStorage\prc.nl\MBX' but browsing to this folder is not possible. We have a frontend/backend configuration in place.

Any help is appreciated.

disable OWA for specific users using ACL on OWA IIS

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.