Error Message: “550 5.7.1 Message rejected as spam by Content Filtering.”
One of our users reported that after we applied Service Pack 1 and Update Rollup 1 to Exchange Server 2007, some of the emails that he has scheduled to send daily were getting rejected with the message above.
I guess the integrated anti-spam in […]

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I got this error while upgrading the Exchange Management Tools on my Windows XP computer at work to Service Pack 1. I checked the services and the Remote Registry service is stuck at “Stopping” status.
To fix this, simply set the Remote Registry service’s startup type to Manual, reboot your computer, try installing Exchange Server […]

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We just upgraded from Exchange 2007 RTM to Exchange 2007 SP1 yesterday morning and I’m happy to say that the upgrade went very smoothly. It took about 20 minutes.
Here are some things to consider:

Install .NET Framework 2.0 SP1 before upgrading. This may not be required but Microsoft recommends it.
If you have more than […]

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We have one computer at work that I couldn’t send a Remote Assistance request to and whenever I try to query it using WMI and PowerShell I get the following error message:
Get-WmiObject : Access is denied. (Exception from HRESULT: 0×80070005 (E_ACCESSDENIED))
The problem turned out to be DCOM. For some reason it got disabled.
To change […]

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I had to do this just a few minutes ago and I figured I should probably post it here.

Open Registry Editor by going to Start -> Run and typing in regedit.
Go to File -> Connect Network Registry… and type in the name of the computer where you want Remote Desktop enabled.  Click OK.
Go to […]

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Error Message: “Mapi session “/o=Organization/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=JohnSmith” exceeded the maximum of 32 objects of type “session””.
Source: MSExchangeIS
Event ID: 9646
On the client side, the user is unable to connect to Microsoft Exchange or getting this error:
Unable to open your default e-mail folders. The Microsoft Exchange Server computer is not available. Either there are network problems […]

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Don’t forget this very important day! It’s the last Friday of July (July 25 for this year). Mark it on your calendar!
Ok, I have to admit that I actually didn’t know that such a day existed until I found this site, which is the official System Administrator Appreciation Day website.
According to the site, […]

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It’s that time of the month again, the second Tuesday of every month known as “Patch Tuesday,” the time when Microsoft releases its security updates.
According to Microsoft’s website, they will be releasing 12 new security updates this Tuesday, February 12. Seven considered “Critical”, five marked as “Important.”
Critical (7) - Software Affected:

Windows
Internet Explorer
Office
Visual Basic
VBScript
JSCript

Important (5) […]

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Error message: “A connection to the deployment share (\\server\deployment_share) could not be made. The deployment will not proceed.”
I ran into this problem this morning when trying to load Windows XP on a new computer using Business Desktop Deployment and Windows Deployment Services. It turned out that the reason for this is because my WinPE boot […]

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I found this PowerShell Cheat Sheet a while back when I was looking for tips on PowerShell. It contains commands that you’ll be using a lot when working with PowerShell, and also examples on how to use them. Very helpful especially if you’re just starting to learn it. Also check out the PowerShell team blog […]

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