Exchange – Removing Illegal Alias Characters using PowerShell

Monday, August 15, 2011

var addthis_config = {"data_track_clickback":true}; If you're in a mixed-mode environment with both Exchange 2003 and Exchange 2007/2010 you may have noticed this message when using the Get-* cmdlets in the Exchange Management Shell: WARNING: The object has been corrupted, and it's in an inconsistent state. The following validation errors happened: WARNING: Property expression "xx xxx" isn't valid. Valid values are: Strings formed with characters from A to Z (uppercase or lowercase), digits from 0 to 9, !, #, $, %, &, ', *, +, -, /, =, ?, ^, _, `, {, |, } or ~. One...

Cmdlets and Parameters – Differences between Exchange 2007 and 2010

Tuesday, June 15, 2010

Exchange 2010 adds a lot of new commands to the Exchange Management Shell (EMS). In addition to the new commands, some commands were removed and some cmdlet parameters have changed. To find all the changes between the two versions of Exchange I put together a script that produces a collection of custom objects. By querying these objects you can find if a command or its parameters are new or removed. The changes are recorded in an XML file (compare.xml) which you can use to filter a specific command. To compare the changes I ran a script, on each...

How to Discover Unused Mailboxes

Monday, May 31, 2010

In Exchange 2007, and later, we can use the Get-MailboxFolderStatistics cmdlet to retrieve information about the folders in a specified mailbox, including the number and size of items in the folder, the folder name and ID, and other information. If we add the IncludeOldestAndNewestItems switch parameter, Get-MailboxFolderStatistics will also return the dates of the oldest and newest items in each folder. Using that information we can determine the last time a message was sent from a mailbox. Using the script below, we can get all user mailboxes that did not sent an email in...

Mailbox Users Storage limit

Sunday, August 30, 2009

My morning task today includes the following: get all mailboxes (Exchange 2003) larger than X megs where the associated user mailbox storage limits are overriding the settings of the Mailbox store. Storage limit information for user accounts is available in Active Directory Users and Computers on the user ‘Exchange General’ tab (click on ‘Storage Limits’ at the bottom). The ‘Storage Limits’ dialog box specifies the mailbox storage limits for warning or prohibiting a mailbox-enabled user from sending or receiving email. You can also use this dialog box to specify the number of days a deleted item is stored in the...

Exchange 2007 SP2

Wednesday, August 26, 2009

Exchange 2007 SP2 was released yesterday (version 08.02.0176.002).  Below is some information regarding this release.  Exchange 2007 SP2 Download Microsoft Exchange Server 2007 Service Pack 2 (SP2) has been designed specifically to help meet the challenges of any business and the needs of all the different groups with a stake in the messaging system. Exchange Server 2007 SP2 is a mission-critical communications tool that enables employees to be more productive and access their information anywhere and anytime while providing a messaging system that enables rich, efficient access to e-mail, calendar items, voice mail, and contacts. For...
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Exchange White Space

Thursday, August 13, 2009

A common posting on PowerShell newsgroups and forums from Exchange administrators is how to parse event id 1221 from the Exchange server application log file. A typical event message would look like: Event Type:  Information Event Source: MSExchangeIS Mailbox Store Event Category: General  Event ID: 1221 Date:  10/01/2009 Time: 13:27:31 User:  N/A Computer: SERVER Description: The database "First Storage Group\Mailbox Store (SERVER)" has 7.2 megabytes of free space after online defragmentation has terminated. Usual solutions are based on regular expressions to process the message description and extract the name of the database(s) and the number of free megabytes. The bellow...

List of Exchange 2003 Administrators

Thursday, July 23, 2009

The following script lists all the groups or users that have been delegated as exchange admins at the organizational level. There are three types of administrative roles: Exchange Full Administrator Exchange Administrator Exchange View Only Administrator   $cnc = (Get-QADObject (Get-QADRootDSE).ConfigurationNamingContext).DN $DN = "CN=Microsoft Exchange,CN=Services,$cnc" Get-QADPermission $DN -Inherited -SchemaDefault | ` Where-Object...

Upcoming Webcast: Exchange 2010 Management Tools (Level 300)

Saturday, May 16, 2009

Exchange 2010 includes new capabilities that make the operation of your Exchange environment more efficient.  Learn how we’ve made the Exchange Management Console more powerful, extended the reach of PowerShell, and made it easier to delegate management tasks. You can register HERE.     Presenter: Evan Dodds, US-Exchange Shared PM, Microsoft Corporation. Start Date: Monday, June 08, 2009 1:00 PM Pacific Time (US & Canada)

How to trick SCVMM prerequisites checking

Sunday, December 21, 2008

The other day I was trying to install SCVMM Administrator Console on my machine. One of the software requirements for VMM is Windows PowerShell v1. I got this error in the prerequisites dialog: Doe's this mean we can't have SCVMM installed side by side with newer versions of PowerShell? Apparently not. I had the same issue before when I tried to install Exchange 2007 admin tools while having PowerShell CTP 2 installed. Checking under the hood, using regmon, revealed that the installation is looking for a registry key named PID. I checked that key on a PowerShell...