Recover Data Blog | How to Resolve Error 0x80072F06 When Using Microsoft Outlook?
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How to Resolve Error 0x80072F06 When Using Microsoft Outlook?

08 Feb How to Resolve Error 0x80072F06 When Using Microsoft Outlook?

MS Exchange Server in combination with MS Outlook is known to offer an effective platform for internal business communications. Built-in with extremely advanced, easy to understand and user friendly features, MS Outlook is considered the most preferred email client application. With its ability to function both in Online and Offline mode, Outlook stores all copies of your mails on the system. It automatically connects to your Gmail account, download mails from there and store it on your computer. This way user can access them even if they are not connected to the Internet. Outlook creates an offline data file (OST) on system drive while working in an Offline mode.

But guess what, if your OST file gets damaged or corrupted. OST corruption can occur due to various reasons including system failure, synchronization issues, power surge, low network, Outlook Limitation and so on. While accessing an Outlook OST file, users may encounter many error messages due to which access to Outlook data gets denied.

In this blog, I have discussed about an Unknown Error- 0x80072f06 which usually occurs after a server migration and restricts the user to download the offline address book. At the end, I will also be talking about the ways to resolve this issue using an effective software application.

What is Unknown Error- 0x80072f06

While working in a mixed server environment (i.e. Using both Exchange Server 2007 and 2003), and updating Offline Address Book (OAB) files to Server, users receive an error message- “ Error- 0x80072f06: The Security Certificate on the server is not valid. Contact your Exchange Server administrator or ISP to install a valid certificate on the server”.

Reasons for MS Outlook Error- 0x80072f06

There might be various reasons due to which MS Outlook Error- 0x80072f06 occurs. The most common ones are improper updating of .oab file with server or issues with security certificate on the Exchange Server. No matter what the reasons are but encountering such issues is always problematic so we should always look for a quick and reliable solution that fixes Offline Address Book Error 0x80072f06 on Windows.

How to Fix OST File Error 0x80072f06

The foremost step you can take to resolve this issue is deleting .oab file in your Outlook and then downloading a new one from Exchange Server. If this does not work out, you can try out OST to PST Converter Software by Recover Data Tools. This software is employed with the latest recovery features to help users get rid of unknown error 0x80072f06 on Outlook 2013, 2010, 2007, 2003 and 2000 versions. It can even be used to fix OST files from all major versions of Exchange Server like Windows 10, 8.1, 8, 7, Vista, XP, Server 2012, 2008 and 2003.

The software works efficiently by scanning corrupted files and recovering a new PST. The software even scans password protected OST files by following the latest scanning modes. To know more about the process of recovery and features, visit


So, this is how you will be able to resolve such fatal OST file errors using OST to PST Converter Software. All you need to do is follow a step-wise procedure and be patient enough for a successful recovery. So, why not give it a try and let us know on the comments below. For any query, please feel free to contact our support.

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