Editing Calendar Permissions in Office 365 via PowerShell

The company policy where I work is that everyone has Reviewer permissions for everyone else’s calendar. This is for scheduling purposes as well as for pulling the right people in to meetings as they’re getting set up.  The problem is that (as far as I …

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Microsoft Exchange Offline Address Book 0x80072F06

After a recent server migration from SBS2005 to SBS 2008, I ran into an issue where users were not able to download the offline address book.  They would continue to receive Sync Issues consisting of the message “Microsoft Exchange Offline Address Book …

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An IIS Directory Entry Couldn’t Be Created. The Error Is Access Is Denied.

Here is a quick-fix for an unsettling error message.  The error message is: An IIS directory entry couldn’t be created. The error message is Access is denied. . HResult = -2147024891 + CategoryInfo : NotInstalled: (MB2Exchange (Default Web Site):ADObje …

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CAS Installation Failed – The Value Cannot Be Null. Parameter Name: Key

During and Exchange 2010 installation recently, I received the following message during the Client Access Server installation:

[crayon-5ae03fb495f3283343 …

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