SMTP server error: 5.7.1 Unable to relay

I am receiving much requests to fix errors like ‘SMTP server error: 5.7.1 Unable to relay’. This is happening mostly when a non-Exchange server is trying to send through Exchange Servers for example an application tries to send through Exchange server like news letters, may be SharePoint etc. To relay mail, we need to create a Receive Connector on … Continue reading “SMTP server error: 5.7.1 Unable to relay”

Hosting of Exchange 2013 using WebsitePanel 2.1

I have handled an Exchange 2013 Hosting project for a hosting service provider. We have selected the free Exchange hosting solution named Website Panel for this. As the Exchange Server version is 2013, the only supported version of Websitepanel for Exchange 2013 is Website Panel 2.1 Beta. We are quite sure that the tool may have some … Continue reading “Hosting of Exchange 2013 using WebsitePanel 2.1”

Re-create OWA virtual Directories in Exchange 2013

Some times, you may be fed up with some sort of issues related to ‘owa’ , ‘ecp’ or any other virtual directories. Any repair or fine tuning mayn’t fix the issue and you will have to re-create the virtual directories from the scratch. The difference in Exchange 2013 is that, it has got 2 websites hosted … Continue reading “Re-create OWA virtual Directories in Exchange 2013”

Exchange 2013: Remote host said: 451 4.7.0 Temporary server error. Please try again later. PRX2

Today I met a strange issue in Exchange 2013 new installation. Incoming emails were not arrived at the mailboxes. The NDR shows “Remote host said: 451 4.7.0 Temporary server error. Please try again later. PRX2” I checked everything on the DNS side and no joy !!! The server used were a multi-role server and found … Continue reading “Exchange 2013: Remote host said: 451 4.7.0 Temporary server error. Please try again later. PRX2”

Windows Server 2012 GUI went missing after removing features

Today morning I have come across an issue with one of the Windows 2012 machine of my client. The GUI went missing after removing ASP.NET 4.5 and a restart after that. The only thing I can see was the command prompt and the mouse cursor. I have researched on various ways to recover the situation … Continue reading “Windows Server 2012 GUI went missing after removing features”

Block Syncing of Personal Phone Contacts in GAL through Social Connector

I have received a question on Exchange 2013 about the syncing of personal contacts in Outlook on GAL. For example, a user that has their own personal iPhone contact were uploaded to GAL. Obviously, a lot of users don’t like that (having their personal contacts loaded into the company directory). During the research on ‘How … Continue reading “Block Syncing of Personal Phone Contacts in GAL through Social Connector”

Rebuild the Full-Text Index Catalog of Exchange Database

Recently, I have noticed one issue showing ‘Database Content Index State: FailedAndSuspended’.  Error details: Microsoft.Exchange.Search.Core.Abstraction.OperationFailedException: The component operation has failed. —> Microsoft.Exchange.Search.Core.Abstraction.CatalogReseedException: The component operation has failed. at Microsoft.Exchange.Search.Engine.SearchFeedingController.DetermineFeederState() at Microsoft.Exchange.Search.Engine.SearchFeedingController.InternalExecutionStart() at Microsoft.Exchange.Search.Core.Common.Executable.InternalExecutionStart(Object state)   ResetSearchIndex.ps1helped me to resolve the issue and I would like to describe the steps followed to help you out also. … Continue reading “Rebuild the Full-Text Index Catalog of Exchange Database”

Virtual Directories: Exchange 2013 (The Microsoft MVP Award Program Blog)

I would like to share the recent article on mine published on The Microsoft MVP Award Program Blog: Virtual Directories: Exchange 2013                                 Also see my previous post in Microsoft MVP Award Program Blog: Use Digital IDs (Certificates) to prove your identity … Continue reading “Virtual Directories: Exchange 2013 (The Microsoft MVP Award Program Blog)”

‘Single Global Namespace Support’ in Exchange 2013

Datacenter switchover in Exchange 2010 are operationally complex because recovery of mailbox data (DAG) and client access (namespace) are tied together there. So if you lose all or a significant portion of your CAS, or the VIP for the array, or a significant portion of your DAG, you were in a situation where you needed … Continue reading “‘Single Global Namespace Support’ in Exchange 2013”