Last updated on September 24th, 2021 at 07:12 pm

Microsoft Exchange Server in combination with Microsoft Outlook is recognized to deliver an actual platform for internal business communication. Built-in with tremendously progressive, easy to comprehend and user-friendly topographies, MS Outlook is considered the greatest preferred email client application. With its capability to function both in online and offline mode, MS Outlook stores the entire copy of the user’s emails on their machine. It automatically connects to your Gmail account, downloads emails from there, and stores it on your computer. This way users can access them even if they aren’t connected to the Internet. Outlook generates an offline data file (OST) on the system drive while working in an Offline mode.

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

In this blog, I have discussed an unknown error- 0x80072f06 that usually occurs after a server conversion/ migration and restricts the user to download the offline address book. In the end, I will also be talking about the method to resolve this issue by 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 OAB (Offline updating Address Book files to the 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 several reasons that MS Outlook Error- 0x80072f06 occurs. The most common ones are improper updating of .oab file with the server or issue with a security certificate on the Exchange Server. No matter what the reasons but encountering such issues is always a problem so we should always look for a rapid and reliable solution that fixes offline address book error 0x80072f06 on windows

Have Solution- OST to PST Converter Software to Convert OST

Remarkable eSoftTools OST to PST Converter Software would be the perfect choice for in this situation because, the software very fluently fixes all errors of OST file included this one 0x80072f06 and also recover outlook OST emails with properties- to, bcc, cc, time, subjects and from, embedded images and zip attachments. OST Converter to PST Software helps to recover complete items or selective folders items of OST files and convert them into PST Outlook file with contacts, calendars, task, notes, and appointments. The software supports to convert OST files into PST, EML, MSG, HTML, EMLX and vCard format.

Read more:- OST to PST Conversion Software

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