Administration

Connect to Office 365 Using a PowerShell Function

When you sign-up for Exchange Online (or Office 365, which includes Exchange Online), an Exchange organization is created for you in Microsoft’s datacenter. One of the really cool things about Exchange Online is that besides its easy-to-use web interface, you also have the ability to manage your cloud-based organization using PowerShell. Shell-savvy administrators can run […]

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UDP notifications support back in Exchange 2010, Outlook 2003 users rejoice

If there is a legacy client for Exchange 2010, it must be Outlook 2003. Released in October 2003, Outlook 2003 is two versions and almost eight years old! When running in online mode, Outlook 2003 relies on Exchange Server to notify it of new messages by sending UDP notifications. If UDP notifications aren’t received, Outlook […]

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Auditing Distribution Group Membership Changes

Exchange 2010 includes Administrator Audit Logging functionality to log all administrator actions. Because all administrator actions, including those taken using the EMC and the new web-based ECP consoles must fire off a Shell command under the hood, admin audit logging records cmdlets that can make changes (the ones that use the New and Set verbs, […]

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Exchange ActiveSync: What is the Allow/Block/Quarantine List?

If you’re an Exchange admin happy about how Exchange ActiveSync (EAS) just hums along with mobile devices supporting the EAS protocol, and the multitude of devices that can now access Exchange without any admin intervention (OTA device activation and all that…), but also unhappy about the multitude of devices that can now access Exchange without […]

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Using Get-Hotfix to get a list of installed hotfixes

Exchange Server 2010 Service Pack 1 requires a number of hotfixes to be installed. These are listed in Exchange 2010 Prerequisites in Exchange 2010 documentation and in the Exchange 2010 SP1 FAQ and Known Issues post on the Exchange team blog. While preparing a server for SP1, I erroneously kept trying to install the hotfixes […]

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Using Transport Rules to protect your organization from the ‘Here You Have’ Worm

The Here You Have worm, also known as Visal.B, has been spreading through network shares and email (more details on Microsoft’s Malware Protection Center web site). When spreading through email, the worm sends itself to your contacts with the following strings in the Subject field and message body: Subject: Here you have Body: Hello: This […]

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Exchange 2010 SP1 and the Office 2010 Filter Packs

In Exchange 2010 and Exchange 2007, Exchange Search uses Windows Search to index messages and supported attachments. Installation of 2007 Office System Converter: Microsoft Filter Pack is a pre-requisite for Exchange 2010 (RTM) setup, and after setup completes you must register the filters with Exchange Search. Register Filter Pack IFilters with Exchange 2010 has more information and […]

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Renewing Certificates: DigiCert impresses again with customer service

Have you had a service that uses SSL/TLS, such as Outlook Web App (OWA), Exchange ActiveSync (EAS), AutoDiscover, or perhaps just a web site, impacted due to an expired certificate? Validity of digital certificates must be monitored, just as we monitor domain name registrations and renewal dates. Overlooking the fact that certificates expire and need […]

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Exchange Search: Searching Adobe PDF

Exchange Search is the little known, and mostly unappreciated feature of modern Exchange Servers— yes, we mean Exchange 2010 and Exchange 2007. It’s different. It’s fast. It mostly works under the hood, without any sexy admin interfaces that would expose its features, functionality, and performance. In these days of ever-growing, large mailboxes (think 10 Gigabytes […]

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HTC Droid not synchronizing with Exchange 2010?

Last year Apple riled IT departments and security community when it was revealed that before the iPhone 3.1 OS release, iPhones had bee incorrectly reporting their policy compliance for encrypting device data (or as some critics said— the iPhone was lying about its policy compliance). See previous post iPhone OS 3.1 Security Changes and Exchange […]

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