Exchange Server 2013 is a widely used enterprise email and collaboration platform that was released by Microsoft in 2012. It provides various features such as email, calendar, contacts, tasks, and…
I had C:\ drive on Exchange Server running out of space. I used the TreeSizeFree tool to figure out what is taking up all the space. Noticed that log files…
Exchange Back pressure is real. I have setup two separate domains in my lab (northwindtrader.com and constoso.com). On northwindtrader.com domain I am testing migrating Exchange 2013 CU21 to Exchange 2019.…
Outlook/OWA will prompt for password but will not authenticate.On Exchange Server security event log:Event ID: 4625, user login failure. Unknown username and bad password, User not allowed to logon at…
After applying CU21 on Exchange 2013, I am unable to access ECP. Error in event log:Event code: 3008 Event message: A configuration error has occurred. Event ID: b03040db26554e5aab7f6976d7878148 Event sequence:…
Exchange 2013 - update CU 10 to CU 15 failed at 16 of 17 Steps failed with the following error: Error: The following error was generated when “$error.Clear(); $dependentAssemblyGeneratorExePath =…
I have an application server auto-generating reports and emailed to a distribution list with external users. Earlier, application server was relaying directly to the customer mail server, but it was…
My Exchange 2013 is running CU 10 which is unsupported build. I have started testing to bring up to the latest build. It has to go through a multi-step upgrade…
Proper documentation is vital for recovery. Experiences taught me how important it is to test and document it. Also I've come across Exchange or MS Windows admins who have taken…