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                     Exchange 2010 introduced the shadow redundancy feature to minimize the loss of any message during delivery after it enters the Exchange organization. Exchange Transport servers achieve this by using the shadow redundancy SMTP protocol extension.         However, in any organization Exchange Transport servers need to communicate with other third-party SMTP servers that may not support the shadow redundancy protocol. Transport servers delay sending acknowledgement to incoming messages until they verify final delivery within the organization. However, when a specific threshold was reached, the Transport server issued an acknowledgement even if final delivery wasn’t verified. This presented a scenario where messages received from hosts that don’t support shadow redundancy can be lost in transit.       ...

To install any exchange server you need to upgrade the Active directory Schema. The administrator should verify it before stepping further. Following is the schema version of Active Directory . you need to verify it from ADSIEDIT tool. Exchange Version   Forest rangeUpper attribute   Forest objectVersion   Domain objectVersion   Exchange 2000 SP3   4406 -   4406 Exchange 2003 RTM   6870 6903 6936 Exchange 2003 SP1   6870 6903 6936 Exchange 2003 SP2   6870 6903 6936 Exchange 2007 RTM   10637 10666 10628 Exchange 2007 SP1   11116 11221 11221 Exchange 2007 SP2   14622 11222 11221 Exchange 2007 SP3   14625 11222 11221 Exchange 2010 RTM   14622 12640 12639 Exchange 2010 SP1   14726 13214 13...

Outlook cached mode Þ      Cached mode is the new default configuration for Outlook. Þ      It provides an experience that is similar to the offline configuration in earlier versions of Outlook. Þ        When you are running in cached mode, your Exchange mailbox is synchronized to a local file (an .ost file), and the offline address list from your Exchange computer is synchronized to a collection of files (.oab files) on your client computer. Þ      Therefore, network communication between Outlook and Exchange is significantly reduced.   Why   offline address book is important? Þ      The offline address book contains a set of all the properties of a user that Outlook requires. Þ      With an offline address book, Outlook does not have to connect to the global catalog to resolve names.

Microsoft has released the preview software for Windows Server 2012 R2, System Center 2012 R2 and SQL Server 2014 at its TechEd Europe 2013 conference in Madrid. The preview software offerings are designed to blur the boundaries between customers’ own datacentres and the Windows Azure public cloud for a hybrid IT infrastructure. “These products are going to have a massive impact on companies around the world – and IT pros are going to see the traditional boundaries between datacentres vanish and a true hybrid cloud emerge,” wrote Brad Anderson, corporate vice-president of Windows Server & System Center at Microsoft, on the company blog.The update to the server, management and SQL products forms part of Microsoft’s “cloud-first design principles” and its Cloud OS strategy, according to Anderson.

In SharePoint 2013, After changing the password of application pool service account you may get the error with Event id 5059. Application pool SharePoint Central Administration v4 has been disabled. Windows Process Activation Service (WAS) encountered a failure when it started a worker process to serve the application pool. Perform the following steps: 1. Verify the username and password in the Central Administration App Pool (right click to app pool-advance - Properties -Identity) 2. Verify that any services that are running relating to IIS or WSS/MOSS are using valid usernames and passwords. 3. Verify that any services running for SQL Server are using the right username and password. 4. Verify that the account in question has the proper access to the share point databases

When you install Exchange 2013 on Windows server 2012, You may get the issue of internet explorer crashing. IE gets crashed when you click on any tab in ECP. To resolve this you have to install the update KB2761465. I have tested this and it works for me. Or you can install other browser and try to access ECP. Download: http://www.microsoft.com/en-us/download/details.aspx?id=35870

Microsoft has released an update for Application compatibility in Windows 7.The Windows application compatibility update is a software update that improves the compatibility experience in Windows 7. The problems that are resolved by application compatibility updates When you try to install and run certain games or applications in Windows 8 ,you may experience one or more of the following symptoms: The game, the application, or the driver is installed incorrectly. The game, the application, or the driver causes system instability. The primary functions of the game, of the application, or of the firmware do not work correctly.