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Backscatter Spam and Exchange Server 2007

Over at AllSpammedUp.com I've written an article on protecting both yourself and others from backscatter spam. Backscatter spam is also known as NDR spam and is the result of address spoofing combined with spam addressed to invalid recipients. As an Exchange administrator you want to be sure you aren't contributing to the problem with your own email server. Read the article to find out how to avoid send NDR spam to others.

April 30, 2009

First Look at Exchange Server 2010 Installation

This blog post is based on the Exchange Server 2010 Beta code. The information shown here may change at the final release of Exchange Server 2010. In this post I take a quick look at the Exchange Server 2010 installation process.  Although the setup screens are very similar to Exchange Server 2007 there are a […]

April 23, 2009

Forefront Security for Exchange Server 2010 Beta

Hot on the heels of last week’s beta release of Exchange Server 2010 comes the beta release of Forefront Security for Exchange, that now includes Exchange Server 2010 support. The new Forefront Security for Exchange integrates with the Forefront “Stirling” management console and ships with a PowerShell interface for improved manageability, and also includes new […]

April 20, 2009

Exchange 2010 Beta Released

Microsoft announced the release today of the Exchange 2010 public beta, which you can download from the new Exchange 2010 Technet Site. The MS Exchange Team blog has a post about it too including some links to videos and other resources.  Meanwhile the Unified Communications blog also announced it and ran through a list of […]

April 16, 2009

Quota violation error when moving Exchange 2007 storage group log path

On Exchange Server 2007 you may encounter a quota violation error when attempting to move the storage group logs path for one of your storage groups. Summary: 1 item(s). 0 succeeded, 1 failed. Elapsed time: 01:35:36 SG Public Folders Failed Error: WMI exception occured on server ‘exchangeserver.domain.local’: Quota violation Quota violation Exchange Management Shell command […]

March 27, 2009

Emails not sending from Exchange 2003 to new Exchange 2007 server

When you introduce a the first Exchange Server 2007 server into an existing Exchange Server 2003 organization you may encounter an issue with mail flow between the two servers. Emails sent from Exchange 2007 to Exchange 2003 work fine, however emails sent from Exchange 2003 to Exchange 2007 do not work and can be seen […]

February 20, 2009

Exchange Server 2007 Update Rollup 6 (Critical)

Microsoft has released Update Rollup 6 for Exchange Server 2007.  The update includes a critical security fix outlined in bulletin MS09-003. The full list of fixes can be found here, and the download files are here. I’ve updated our Exchange servers here last night and it went smoothly, no problems encountered. Make sure you read […]

February 12, 2009

Multiple ISP support in Forefront TMG

From Tom Shinder:   For years we’ve been asking for multiple ISP support for our ISA firewalls. Well, that never happened, but the great news is that TMG firewall now feature multiple ISP support. You can use two Internet connections, either for failover or load balancing. You can even set different weights on your ISPs, […]

February 9, 2009

Exchange 2007 OWA stops working with “reason=0” error

Outlook Web Access on Exchange Server 2007 may stop working after an Update Rollup is applied.  Users who connect to OWA may receive a browser script error or a blank page with a URL of:   https://mail.yourdomain.com/owa/auth/logon.aspx?url=https://mail.yourdomain.com/owa/&reason=0 This problem can be caused by either of these conditions: Cause #1 The Update Rollup was applied while […]

January 30, 2009

Exchange 2007 mailbox users with incorrect language settings

Users may report that their Exchange mailbox displays in an incorrect foreign language in Outlook and Outlook Web Access.  This issue may occur when the Languages attribute of the mailbox is incorrectly set. You can view the language of a mailbox using the Get-Mailbox cmdlet. [PS] C:\>Get-Mailbox -Identity "John Smith" | fl name, languages Name […]

January 19, 2009