Resolve Outlook Error 0x80040900

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MS® Outlook is used for proper communication within the organization and with the usage of this emailing client, users can share emails, to-do, journals, tasks, etc. Wrong assigned inputs for server settings, integration of third party plugins and scanning program with Outlook, damaged done on PST file and bunch of other reasons can take down the performance of the entire program. Even, sometimes Outlook does not allow users to access it due to all this.

Today, we are going to discuss about Outlook Error 0x80040900 which is defined in a given way by MS Outlook on the screen at the time of its occurrence:

'The server name you entered cannot be found on the network (it might be down temporarily). Verify that you are online and that the server name is correct."

To resolve this error, implement following methods one by one and check out its proper functioning by sending a test mail message own. The given below are different techniques and likely one of it will be a solution to solve this error message.

To know more about the above methods in brief, switch to a Microsoft's KB source:

In case if all the above methods do not work in fixing Outlook error 0x80040900 that is appearing on the system screen, then move on to third party utility like Outlook PST Recovery software. It can deal with all types of Outlook errors and corruption issues and retrieves PST files without losing a single bit of database.