Networking and Exchange, well this can cause issues upon issues and log events you might have not seen before. For example, on a customer server, the following 3x event ID’s were logged every 10-15 minutes: 2501 2601 2604 Here are screenshots of each error: From the server, you can ping the network, other servers can […]
Moving mailboxes in Exchange is relatively a painless task, but when you run into issues like space or network problems then all the moves you started all begin to fail. Here is an example of a DAG going down and all the moves failing with the following error: Error: Move for mailbox ‘mailbox1’ is stalled […]
Creating new mailbox stores should be straight forward, right? Strange one encountered in my lab yesterday, created about 7 stores and the 8th one created but the Master was pointing to the server itself and not to the DAG. Try mounting a store in this state and you get the following error: Initially I thought […]
Adding a member to a DAG should be simple? Right? Well it can go very wrong as well. Unique error that we encountered. The first DAG set went through fine and all stores mounted etc. however on the second pair, the server would install Failover Cluster or so it seemed and then the GUI or […]
Any Exchange Admins worst nightmare is when you reboot your Exchange server and the Information Store Service won’t start. There can be many factors why this can happen and the event logs will also give you details of why it failed, but in this scenario the failure was not what was expected. When checking the […]
Many times your IT manager will ask, what version of outlook is everyone running or you have a case where you need to know what user accessed the system and from what version. Now systems like SCCM or Labtech can provide you with this but a few Exchange PowerShell commands will also give you the […]
In any org, not all upgrades succeed, you might come across a server, whether it is a multi-role, CAS, HUB or MBX server where it fails. The error is a bit cryptic, the setup creates the assemblies and then rolls back immediately with a premature failure. To be able to see what is causing the […]
Many organizations are still running Exchange 2010 and if you follow the blogs Microsoft advised to upgrade to the latest RU to fix a number of things. The installation is pretty simple, download RU26 and copy it to a folder where your installs are, like C:\Installs Right click the file and unblock it before proceeding. […]
In your Exchange organization, you might be in the process of removing Exchange 2010. You have done the DAG removal and cleaned up the servers so that no mailboxes and arbitration mailboxes exist and then proceed to uninstall Exchange 2010 from the control panel only to be presented with the following error: The error above […]
Interesting one in Exchange 2010 at a client yesterday. The queue report starting showing Mapi delivery failures to a certain store, upon investigation the error above was encountered: 432 4.3.2 STOREDRV.Deliver; recipient thread limit exceeded Upon checking the queue, only 1 mailbox was receiving all this mail. Back in SP1 for Exchange 2010, Microsoft introduced […]