Exchange 2003 Queue Cleanup Tool

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Problem: You have an exchange 2003 server that has hundreds of mail queues which are filled with some NDR’s and you are not really into deleting every single message by hand.
Solution: Microsoft has a command line tool for that exact situation which will cleanup all the mail queues. you can download it Here. You’ll find it in Exchange Support Tools. The tool is called aqadmcli.exe. Download the tool and launch it from command line. Navigate to the folder you placed the file in. Then run the following command.
aqadmcli delmsg flags=all
This will delete every Message in the Queues on your Exchange Server. The queues in System Manager will disappear shortly after all the messages were deleted.

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Explorer.exe closed on Citrix session just after loading

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Situation: New Installation of XenApp 6.0 on Windows 2008 Server r2
Plan: Setup a new Citrix XenApp 6.0 server and publish some applications. One of those applications would be Explorer.
Problem: If you publish explorer.exe on XenApp 6.0 it would open on the client but closes within split seconds after starting. There is no entry in the eventlog.
Solution: There is a registry key that will delay the startup of the application. This can solve the problem. It worked for my environment. There is no reboot required. Just open registry editor and go to the following path.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Citrix\wfshell\TWI

There you’ll have to add the following DWORD32 Key.
LogoffCheckerStartupDelayInSeconds
Set the value to “10″ decimal.

After that you will have to logoff the client and logon again. After logon you should be able to open the published explorer.
Source: The original thread can be found here

550 5.3.4 ROUTING.SizeLimit

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Diagnoseinformationen für Administratoren:
Generierender Server: domain.com
user@domain.com
#550 5.3.4 ROUTING.SizeLimit; message size exceeds fixed maximum size for route ##
Ursprüngliche Nachrichtenkopfzeilen:

If someone tells you about receiving the error above after sending you am message with some bigger attachment, you can check the receive connector on the Hub Transport and the Edge, or on the Mailbox and on the Hub server as well.

If you can’t find anythin at all, you might try the following cmdlet on the Hub Transport Server
Get-SendConnector ¦ Select identity,MaxMessageSize
You might see another message Size on the Edge Sync Subscription than on the rest of the Server.

If so go to your Hub Transport Server and open Exchange Management Console -> Organization Configuration -> Hub Transport -> Send Connectors

On each EdgeSync Connector you can change the Value for Maximum message size (KB): in the general tab to 51200 to allow message size of 50MB

If you run the cmdlet again you will see the new value of 50MB in the List.

To make sure these changes take effect immediately you’ll have to run the following cmdlet on your Hub Transport Server to update the setting on your Edge Server.
Start-EdgeSynchronization

From now on messages of maximum 50MB should be delivered from Edge to Hub Transport Server and the message will no longer appear.

Install VMwareTools on Linux running on ESXi 4.0

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If you install Linux in a virtual Machine on ESXi 4.0 you should install the VMwareTools. This is not a task that you can do as easy as on windows. You’ll have to copy the install files to your machine and install them manually.

There is a List of tasks you’ll have to do to install the VMwareTools.

First you’ll have to prepare your installation of Linux for the installation by executing this command.
aptitude install autoconf automake binutils cpp gcc linux-headers-$(uname -r) make psmisc
After this is finished you should push the installation in the console.

this will copy the installation files so you can mount them in the next step to your virtual cd drive. This is done by using the following command.
mount /dev/cdrom /mnt
then you’ll have to copy the files from the cd to your virtual disk. And by extracting them.
cp /mnt/VMwareTools-4.0.0-208167.tar.gz /root
cd /root
tar xvf VMwareTools-4.0.0-208167.tar.gz
To start the installation do the following
cd vmware-tools-distrib/
./vmware-install.pl
Then follow the instructions on the screen to install the Tools.

Install OpenSSH-Server on Linux

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if you are a linux dummy as me you might wonder how to install an ssh server on your Linux box.

I had to learn this is an easy task that can be performed by just entering the following command.

apt-get install openssh-server

This will download the package and install the service for Open SSH. after that you are able to access your server via Putty SSH or any other SSH Client.

Renew Self Signed Certificate on Exchange 2007

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After a self signed certificate that exchange creates when Exchange Server is installed has expired, you’ll have to renew the certificate on the Hub Transport and on the Edge Server if there is one.

You know you’ll have to do this if you find the following error in the eventlog of the Exchange Server.

Log Name: Application
Source: MSExchangeTransport
Date: 24.08.2010 10:48:21
Event ID: 12019
Task Category: TransportService
Level: Error
Keywords: Classic
User: N/A
Computer: server.domain.local
Description:
The remote internal transport certificate expired. Certificate subject: CN=edge.

To view the currently installed certificate use the Get-ExchangeCertificate ¦ List cmdlet
To create a new certificate you should use the New-ExchangeCertificate cmdlet.

You’ll have to create a new certificate on the Hub Transport as well as on the Edge server. You’ll have to re rebuild the EdgeSubscription on the Hub Transport server.

You can follow the instructions on the following page. Here
The Microsoft Event Description can be found on the following page. Here

DVD Drive not in Explorer

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What to do if the DVD drive is no longer available in Explorer?

Check device manager, it might be that there is an error on the device. If there is an error with Code 19, you’ll have to change the following:

open regedit
navigate to
HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Control \ Class \ {4D36E965-E325-11CE-BFC1-08002BE10318}
there you’ll find “LowerFilters” and/or “UpperFilters”
delete these two keys and reboot the system

The DVD drive will be recognized as a new device and can be installed again. It will work properly after that re-installation.

[Release] Jey Key – Outrun

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Just found some nice tracks that have been released just a few hours ago by an artist called Jey Key. Check it out in the Beatport Player below or in the iTunes Store.

Artist: Jey Key (Myspace)
Style: Indie Dance / Nu Disco
Release Date 5.7.2010
Country: France
Label: Eikyou Records
iTunes: Jey Key on iTunes
Beatport: Releases by Jey Key
Beatport Player:

Go to Beatport.com Get These Tracks Add This Player

How to prevent users from sending mails in Exchange 2007 / 2010

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Problem: Normally a user with a mailbox is allowed to send mails. But if for some reason this should no longer be possible for the user, you have to prevent him from sending mails. Easiest way would be to simply delete his mailbox. But there is another option where you have some extra options on what exactly he is allowed to do or not to do.
Solution: In Exchange 2010 you have to manage such things as delivery or sending restrictions by creating Transport Rules. You can then select lots of different things what the user should be allowed to do with his mail account and how mails will be processed. For example you can block a user from sending mails and delete all his messages and send him a non delivery report. You can redirect mails to a specified mailbox or a group of recipients. Just run the assistant which can be found in the Organisation Configuration > Hub Transport. You will find it on the right side.
Article: The original article can be found here