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This has always bugged me. When using Exchange you have a limit on how many rules you can create for your mailbox. At first sight you might say,what is the big deal-you almost never hit the limit. The problem is that once one of your users does actually hit the limit you have no compelling explanation as to why the limit for Exchange servers up to 2007 was 32KB (http://support.microsoft.com/kb/886616). In Exchange 2007 this changes, and the limit can be changed to either 64KB, 128KB or 256KB. This can be done by using a cmdlet called set-mailbox. Set-Mailbox <mailbox> -RulesQuota:<size> … Continue reading Increasing the rule quota limit/size (Exchange 2007)

I stumbled upon a video that demos the abilities of Microsoft UC. It looks at it from the lighter side by building upon the plot of the “Devil Wears Prada”. I found this demo to be one of the better demos I have witnessed, it simply shows how technology can be used to help day-to-day tasks without adding in any marketing fluff or overbearing technical details. http://www.microsoft.com/emea/spotlight/sessionh.aspx?videoid=668

http://www.microsoft.com/downloads/details.aspx?FamilyId=44C66AD6-F185-4A1D-A9AB-473C1188954C&displaylang=en

A post about the interoperability of these two systems has been published on the Exchange teamblog. The highlights are: Exchange 2007 (RTM) can not be installed on Windows 2008. Exchange 2007 SP1 (when released) will be supported on Windows 2008. Exchange 2007 and Exchange 2003 (SP2) are supported with Windows 2008 domains. Management tools for Exchange 2007 (RTM) and 2003 are not supported on Vista or/and Windows 2008. Management tools for Exchange 2007 SP1 (when released) will be supported on Vista or/and Windows 2008. For the additional (somewhat confusing) details,take a look at the post: http://msexchangeteam.com/archive/2007/08/16/446709.aspx

The ISA server team has posted a guide on the subject (in three parts). The guidecovers most aspects of the subject including troubleshooting. Part 1 Part 2 Part 3

  Top Three Exchange Server 2007 Deployment Scenarios: Essential Reading Exchange 2007 Webcasts Stopping Junk E-mail with Exchange Hosted Filtering   For additional information take a look at the following post by the Microsoft Exchange team.

This tool (from Mark Russinovich and Bryce Cogswell) is basically ADSI Edit on steroids.It allows you to connect to your AD environment directly thus providing you a “raw” viewof your directory and in turn the ability to change the directory directly(which might cause a lotof pain since you are working without the net provided by the traditional AD tools). A feature of this tool that seems extremely useful to me is it’s ability to take a snapshotof a directory (and then another snapshot) and eventually to compare the two snapshotsproviding you with a list of what has changed.The tools ability … Continue reading Active Directory Explorer

An oldie but I see it coming up in the newsgroups…my guess is that some sysadmins forgot to fix the problem and the users (specifically home users) trying to access their mailboxes are surprised and convinced that something is wrong with their own system(which to some extent istrue…): http://support.microsoft.com/kb/911829

Ok,so you actually ran out of transaction files(hopefully you noticed event 514/ESE). A relatively annoying issue with a simple solution: Preform a full backup of the storage group. Dismount all stores inside the storage group(you should verify that your stores are in a “clean” state-eseutil /MH). Create a new directory in a safe place. Copy all existing transaction log files and the checkpoint file to the directory. Mount all stores inside the storage group. Hopefully you are done. If you are experiencing issues you can try copying the original checkpoint file and transactionlog files. Good Luck!

ADModify is a tool that will enable an AD/Exchange admin to make bulkchanges in user properties. One of the special treats of this tool is the fact that it provides a simple GUI forconfiguring the accepted MAPI level for clients.You can download the tool at:http://www.gotdotnet.com/workspaces/workspace.aspx?id=f5cbbfa9-e46b-4a7a-8ed8-3e44523f32e2