Outlook Error Code 0x800ccc79 has been referred as an generic error one may come across while sending or receiving emails through Outlook Express from Microsoft. Along with this it may occurs while installing, updating, launching/opening, configuring emails etc.
The error message looks like :
“The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was ‘email@example.com’. Subject ‘Re: test’, Account: ‘mail.domain.com’, Server: ‘mail.domain.com’, Protocol: SMTP, Server Response: ‘550 5.7.1 Unable to relay for firstname.lastname@example.org’, Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79“
Main causes liable behind the accountability of Outlook Error Code 0x800ccc79 are as follow :
- Modification in the configuration settings.
- Troubles associated with email servers.
- Corrupted Windows Registry.
Most usually when one receives this error, he/she found their ability to send emails hampered. So, in order to enjoy an uninterrupted transmission of emails, it is very important to fix Outlook Error Code 0x800ccc79. Regarding that purpose here below some manual steps have been discussed which should be followed.
Step 1 : First of ll start Outlook in safe mode.
- Hold Windows key + R. By this Run Dialogue Box will open up.
- Then enter “Outlook / safe” and click OK.
Step 2 : Now temporarily disable any installed 3rd party system security programs.
Often Antivirus/Malware/Adware programs marks Microsoft office installer files as Spam and block it from installing. So, in this situation it is advised to refer your vendors websites for the purpose of deactivating it temporarily. After the complete installation, one can activate it again.
Mostly the implementation of the above discussed instructions resolves the issues. If however still the problem persists then in order to fix Outlook Error Code 0x800ccc79 it is strongly recommended to use the ‘PST Repair Tool‘ since it has been referred as an effective solution to the Outlook corruption issues. This tool includes a very easy and interactive user-interface. It is highly compatible with almost all the latest version of MS Outlook. This tool being integrated with numerous powerful scanning techniques performs a rigorous scanning and fixes the severely corrupted PST file. Along with that by default it also recovers all the deleted items like Contacts, Notes, emails, Calendars, Journals etc..