[Problem Solved] – Outlook OAB Error Codes 0x80072f06 and 0x80190194
Summary: In this article, we’ll talk about two frequent Outlook error codes that prevent users from downloading or synchronising the Online Address Book, or OAB: 0x80190194 and 0x80072f06. When an Outlook user attempts to manually download the OAB, but Outlook is unable to synchronise the OAB because of underlying problems with the Outlook data file or mailbox server, error codes are displayed. You can access the contacts stored in the Online Address Book (OAB) and resolve the problem “how to fix Outlook OAB error codes 0x80190194 and 0x80072f06 with the assistance of this blog.
Businesses and organisations using Office 365 or on-premises Exchange Server frequently utilise Microsoft Outlook, a powerful corporate email client. The default setting for an Exchange mailbox profile when adding it to Outlook is Cached Exchange Mode. In order to give offline access to your mail items even when the network is down or the server is offline, an Outlook data file (OST) is also created. This allows for a seamless user experience.
On the local computer, Outlook also saves Online Address Books, or OAB files, which are downloadable versions of the Global Address List (GAL) on the Exchange Server.
All Outlook users in the organisation are included in OAB files along with their names, email addresses, phone numbers, etc. When an Outlook user looks for an address or conducts an address query, it helps lower the load on the Exchange Server.
The OAB files are typically generated automatically every 8 to 24 hours. In order to update the address list, users can also manually download the OAB file using the File> Account Settings> Download Address Book option in Outlook 2010 and later editions. Access the Download Address Book option under Tools > Send/Receive in Outlook 2007 and older versions.
But occasionally, when a user tries to manually download the OAB file, Outlook shows the message “Unknown Error 0x80072F06“.
It states “Task abc@xyz.com reported error (0x80072f06): “Unknown Error 0x80072f06.“
While downloading the OAB, some users have also reported receiving error code 0x80190194.
Error Codes 0x80072f06 and 0x80190194 in Outlook OAB: Possible Causes
Outlook Send/Receive issues with the error codes 0x80072f06 and 0x80190194 can appear when there is a problem with the security certificate for the Exchange Server or the Outlook data file (OST).
Here are the possible reasons for these errors:
- Network Connectivity Issues: Both error codes indicate problems with the network connection. The error code 0x80072f06 typically occurs when there is a problem with SSL/TLS certificate validation, often caused by incorrect system date and time settings or network proxy configurations. The error code 0x80190194 is generally related to network connectivity issues, such as firewall restrictions or network outages. Make sure your network connection is reliable and set up correctly.
- Proxy Server Configuration: If you are using a proxy server to connect to the internet, it might be misconfigured or blocking the necessary connections for Outlook’s OAB functionality. Verify the proxy server settings in your system and ensure that it allows Outlook to connect to the required URLs for OAB synchronization.
- Certificate Issues: The error code 0x80072f06 specifically points to SSL/TLS certificate problems. Ensure that the SSL/TLS certificates on your system are valid, up to date, and trusted. If necessary, install the latest updates for your operating system, which often include updates to root certificates.
- Antivirus or Firewall Interference: Sometimes, security software like antivirus programs or firewalls can interfere with Outlook’s OAB synchronization process, leading to these errors. Temporarily disabling such software or configuring them to allow Outlook’s OAB functionality might resolve the issue. Ensure that your antivirus and firewall settings are not blocking Outlook’s connections.
The most frequent causes of Outlook’s inability to connect to the mailbox server, synchronise with, or download the OAB file are invalid security (SSL) certificates, improperly configured OAB URLs and inaccessible or orphaned OSTs. These issues result in Outlook OAB error codes 0x80072f06 or 0x80190194.
How to Resolve Outlook OAB Error Codes 0x80072f06 and 0x80190194?
The techniques to fix Outlook error codes 0x80072f06 and 0x80190194 are given here.
If you use Outlook, you should delete the current Outlook data file before creating a new one since it can be corrupted and prevent Outlook from synchronising and downloading the OAB. These are the steps:
- Right-click on the email address in Outlook by opening it.
- Select ‘Open File Location.‘ To find an ost file, look for it. By selecting the “File name extensions” checkbox under View, you can enable extensions.
- Close Outlook and transfer the OST file to another secure location.
- Afterward, remove the default OST file.
- Restart Outlook. This will replace the existing OST file and perhaps resolve the Outlook Error Code 0x80072f06 problem.
Download the OAB if you can. Your profile can be harmed or deleted from the server if the issue keeps occurring if the OST file is not restored. The OST thus becomes orphaned and inaccessible in this situation.
However, you can use an OST to PST converter program, like CubexSoft OST Converter, to convert your such OST files to PST.
Check to see if all mail items are synchronised from the mailbox once you have access to your account again.
Import the converted PST into your active Outlook profile to recover any missing mail items you discover after rebuilding the OST or adding a new profile.
You can also reset the OAB and Autodiscover URLs and validate the security certificate in order to resolve the Outlook OAB error codes 0x80072f06 and 0x80190194 by contacting your server administrator or IT support.
Wrapping up
The Online Address Book (OAB) and new email sending and receiving may be interfered with by Send/Receive issues in Outlook. Due to corrupted Outlook OST files, incompatible add-ins, bad connections, etc., synchronisation between the local OST file and mailbox server fails, resulting in the error. When a user attempts to download or synchronise the Online Address Book, or Outlook OAB error codes 0x80072f06 and 0x80190194 are also displayed as Send/Receive failures. Several ways to fix the problem and gain access to your contacts were covered in this blog. Visit this Microsoft subject on managing the offline address book in Outlook for further information and specifics about Online Address Book (OAB).
