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I have a customer running SBS2010/Office 2010. &nbsp;Everyone in the office should have full access to everyone's Outlook calendars, being able to add, amend and delete entries, so the default permission level is Publishing Editor. &nbsp;One user's permissions properties keep changing, meaning others can't add or amend. &nbsp;Sometimes they change to &quot;custom&quot;, sometimes &quot;editor&quot;. &nbsp;I suspect that it's the user amending his colleagues permissions to his calendar, as he tends to &quot;dabble&quot;. &nbsp;<br />
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Is it possible to lock it down so that he can't change them? &nbsp;Or is there any other way that the permissions could change without him doing it deliberately? <br />
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Thanks, Ian
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I have a customer running SBS2010/Office 2010.  Everyone in the office should have full access to everyone's Outlook calendars, being able to add, amend and delete entries, so the default permission level is Publishing Editor.  One user's permissions properties keep changing, meaning others can't add or amend.  Sometimes they change to "custom", sometimes "editor".  I suspect that it's the user amending his colleagues permissions to his calendar, as he tends to "dabble".  

Is it possible to lock it down so that he can't change them?  Or is there any other way that the permissions could change without him doing it deliberately? 

Thanks, Ian

Prevent changes to Outlook calendar permissions

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

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

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).