When you are using the New-MailboxImportRequest you receive the Error code -2146233088, you need to use the new LargeItemLimit command.
While installing Exchange 2013 on Server 2012 I strangely received the error Exchange 2013 – Error Unsupported OS Detected. Here is how I resolved the problem
In Exchange 2013 when you try and log in to OWA or the ECP you get a white screen, this can be a corrupt virtual directory.
On a fresh Exhange 2013 install you cannot log into the ECP/EAC and receive the error Server Error in ‘/owa’ Application. The Active Directory user wasn’t found.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exchange 2013, how to add a disclaimer to the end of all emails with an Exchange 2013 disclaimer rule
A guide on how to configure mailbox limits in Exchange 2013, how to limit how much email users can send, receive or store in their mailboxes. Powershell commands and graphical guide.
Step by step guide on how to install the Exchange 2013 product key via the EAC and in powershell
How to increase or decrease the maximum received message size in Exchange 2013 by using the gui or powershell
A step by step guide on how to create new users in exchange 2013 via the EMC/ECP and also in exchange 2013 powershell/
A step by step guide on how to add a user to be a Exchange 2013 administrator. How to add users to Exchange 2013 managment roles. A full list of Exchange 2013 roles.This guide also applies to adding an administrator to Office 365 Exchange
A guide on how to setup and create Exchange 2013 receive connectors step by step. Information on Exchange 2013 receive connectors
How to setup and configure Exchange 2013 to accept Email for your specified domain.
How to set the max Message size in Exchange 2013 in powershell and via the EMC/ECP