Exchange 2010
Exchange 2010: SCOM Failed to run script – DiscoverClustering.vbs
Scenario: In your environment you might be running some form of monitoring that alerts when services stop or fail to start. In this instance, SCOM (System Center Operations Manager) was reporting that the cluster service was not running or that it couldn't test the...
Exchange 2010: Event ID 4051 – Quorum Group Health Check failed.
Scenario: As an Exchange Admin there might be times where you change the FSW (File Share Witness) for a DAG (Database Availability Group) and it works just fine. One day you sifting through the event logs and you notice Event ID 4051. It indicates that the DAG cannot...
Exchange 2010/2013/2016 – Starting the Services with a simple command
As an Exchange Admin, you might be looking after 1 server or several hundred. Sometime after a reboot you might notice that some of the services don't start. It is a daunting task to go manually start them all 1 at a time. A simple way is to run the following command...
Exchange 2010: Message Approval not working
Recently one of our customers logged a ticket with the following error when trying to send mail to an all users group that has moderation on: "This message can't be moderated because the approval system is too busy and can't accept messages now. Please try resending...
Exchange 2010: Install AntiSpam Agents
Simple guide how to install the AntiSpam Agents in Exchange 2010. Launch the Exchange Management Shell (EMS). Navigate to the scripts directory where Exchange is installed. In this instance it is the default location: C:\Program Files\Microsoft\Exchange\V14\Scripts...
Outlook: New emails going to a different folder vs the Inbox
In outlook you might encounter a problem where new email is going to a different folder rather than going to the Inbox as it should. There are a number of things to try, we will show you some below. Option 1: Running the /cleanrules switch. You can try this to fix the...
Exchange 2010: Mail not delivering – EventID 1035
Recently we had a drop in server power and after everything came back online, we picked up that mail wasn't delivering from a hub. Event ID 1035 was logged in the application log and a every long error message in queue viewer logged: 451 4.4.0 Primary Target IP...
Exchange 2010: Event ID 9877 – Content Index
Scenario: System Center Operations Manager (SCOM) reports that the database integrity and copies are not healthy on some databases. Running the command Get-MailboxDatabaseCopyStatus shows everything to be healthy, however in the application eventlog, event ID 9877 is...
Exchange 2010 SP3 Rollup 14: Installation ended prematurely
Installing Exchange 2010 SP3 Rollups can be a straight forward task or you can end up with a server that just won't install the updates. For Example, installing Exchange 2010 SP3 Rollup 14, the install is run from an elevated command prompt, the assemblies create fine...
Exchange 2010/2013: Tarpitting with a 3rd party layer
In Exchange 2010 or 2013 you have a feature called Tarpitting. Lets briefly understand what tarpitting is all about: What is Tarpitting?This is a method to stop a mail sender sending you multiple mail requests. What does it apply to: Directory Harvest Attack.NDR...