Exchange 2010 PowerShell script count items in mailbox folder

As is known, together with new versions of Microsoft Exchange are changing also limits the number of elements in a single folder mailbox.

For each version of Exchange, Microsoft recommends not to exceed the following values of the number of items in the folder:

Exchange 200/2003        5 000
Exchange 2007               20 000
Exchange 2010             100 000

Number of items contained in folders determines the performance of the server and connections to the mailbox, can also cause problems with the use of mail clients.

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Microsoft Exchange 2010 what affects the size of the mailbox database

The Microsoft Exchange database size depends mainly on the number and size of the mailboxes located at the mailbox database.

Size of boxes, which will be located in a given database, we can predict and control so that we know about what size will depend on our database.

Unfortunately, there is still a couple of other factors that could cause sudden expansion of the size of the database or its continued growth.
Below we will present on what you should look in the settings database.

The main parameter determining the maximum size of mailboxes in the database is Quota.
Quotas can be set at the mailbox database and then will apply to all mailboxes in the database if individual quota is set on mailbox.

The quotas can view the values and set in the Exchange Management Console in the properties of the database, we can also be changed using the PowerShell command:

Displays the current quota limits:

 Get-MailboxDatabase "MailboxDatabase" | Select *Quota*

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GUI Message Tracking Log script to search messages

If anyone reads often the Message-Tracking Logs with PowerShell or Command Message Tracking tool, you may be interested in the script that has recently appeared on TechNet.

The script is written in PowerShell but have graphical GUI overlay.

With the script, we are able to search for specific messages to all servers with the role of HT, and not just one in a given search.

We can identify the sender, recipient, date range to search and EventID.

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Microsoft Exchange 2013 New PowerShell cmdlets

List of new PowerShell commands (cmdlets), released with Microsoft Exchange 2013 we published in our post on Exchange Blog here:
Exchange 2013 Powershell

You can now find in internet a detailed list of new commands and a description of their use.
This list is shown below:

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Exchange 2013 Powershell EMS

In Microsoft Exchange 2013 Preview, PowerShell still plays an important role.
In new edition PowerShell for Exchange 2013 is based on PowerShell v3 and Management Framework 3.0 and in addition it has been enhanced with new cmdlets.
Even in Microsoft Exchange 2010 PowerShell allow administrators to perform many complicated things that were not available in the graphics console EMC. That allows us to create scripts to facilitate the daily administrative work.

By using PowerShell version 3.0 the new Exchange server support gained by using the commands on the functionality and simplicity.
For version 2.0 to search a box for a particular look like this:

 Get-Mailbox | Where {$_.Name –like “*smith*”}

now in PowerShell version 3.0 it looks:

Get-Mailbox | where name –like “*smith*”


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Exchange 2013 PowerShell changes

We have already published the list of the new PowerShell commands available in Microsoft Exchange 2013.
You can read about it here:
Exchange 2013 Powershell

It turns out that with the appearance of additional new commands to help you work with Exchange 2013 using Powershell also disappeared a few requests to use public folders. Probably has something to do with the change the organization of public folders in the new Exchange.

The following commands are no longer available in Exchange 2013:

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Microsoft Exchange 2013 OWA (Outlook Web App) supported browsers


Below that systems with which browsers support the latest solutions used in Outlook Web App (OWA)


  • Best – all Outlook Web App functions are supported
  • Good – most of Outlook Web App functions are supported
  • Light – only Light Outlook Web App available in browser

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Microsoft Outlook search tips

When you want to find something in Microsoft Outlook you can use Search Bar.

To do this press Ctrl+E or just click in Search Bar.

The search bar in the new Microsoft Outlook 2013 allows us to select items in search:

  • current mailbox
  • current folder
  • subfolders
  • all mailboxes
  • all Outlook items


But in Microsoft Outlook you can use more options which will help you to find something.

You have to just write specified query in search box.
messagesize:>5mb – find all messages which size is more than 5MB.

subject:”some subject” – find all messages with subject some subject

also you can use logical operators like AND, NOT, OR, <, >, = to refine your search.
Remember: Logical operators must be typed in uppercase letters.

More examples of search criteria can be found below in table:

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Exchange Server 2010 Service Pack 1 Update Rollup 7 (KB2743248)

On 13th August 2012 Microsoft released next update for Microsoft Exchange 2010 SP1.

This time this is Rollup 7 (KB2743248)

To download this update Rollup 7 for Exchange 2010 SP1 visit link:

Update Rollup 7 for Exchange Server 2010 Service Pack 1 (KB2743248)

Issues that the update rollup resolves

Update Rollup 7 for Exchange Server 2010 SP1 resolves the issues that are described in the following Microsoft Knowledge Base (KB) articles:

  • 2740358 MS12-058: Vulnerability in Microsoft Exchange Server WebReady document viewing could allow remote code execution: August 14, 2012


Full description of new update can find here:

Description of Update Rollup 7 for Exchange Server 2010 Service Pack 1

Microsoft Exchange 2007 SP3 Rollup 8

New update for Microsoft Exchange 2007 SP3 was released on August 13th 2012

This is Rollup 8 for Microsoft Exchange 2007 SP3 which can be downloaded from Microsoft Download Center:

Update Rollup 8 for Exchange Server 2007 SP3

This update contains a number of customer reported and internally found issues.

For detailed description of this update go to:

Description of Update Rollup 8 for Exchange Server 2007 Service Pack 3 KB 2734323 

Issues that the update rollup resolves:

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