
Processor : Pentium Class
Operating System : Microsoft Windows 7/Vista/2003/XP/2000/NT4 (SP6)
Memory : Minimum 256 MB (512 MB recommended)
Hard Disk : 50 MB of free disk space
MS Outlook : MS Outlook 2010/2007/2003/2002/2000
Internet Explorer : Version 5 or later
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Outlook is one of the main mailing application used by most of the windows user to manage their mailing accounts, tables, journals, attachments and many more. But there are situations when due to some corruption or damage in the PST or add-ins of your Outlook user is not able to log into their mail profile and access their data. Most of the time Outlook express denies to log in to the account due to outlook error 0x800ccc90 with a pop up error message :
"Account: 'pop.wanadoo.co.uk', Server: 'pop.wanadoo.co.uk', Protocol: POP3, Server Response: ' Disconnect because authentication to back server is too long', Port: 110, Secure(SSL): No, Server Error: 0x800CCC90, Error Number: 0x800CCC92"
Outlook error 0x800ccc90 mainly occurs in the outlook profile blocking your mail access and does not allow user to log in to their main mail account. Outlook express error 0x800ccc90 may occur due to many reasons and one of the main cause for the occurrence of this error is using a wrong user name and password. It is important for the user to set their default Outlook mail profile with full email address and user-name. If you are unable to log in to your mail profile check the email address and other profile info of your account and set the password for the individual email account and once the user information is conformed try sending a mail and look if the error is gone.
User may try to authenticated Outlook account you may try fixing the error with the help of Outlook program's internal options listed below: -
Go to the "Tools" in the outlook menu bar after the error have appeared.
Select "Accounts" option in the Tools menu.
Now select your mail account and select "Log On using".
Now click on the "Servers" option in "Log on Using" menu and select "click text" to fix the error.
Some times the outlook error 0x800ccc90 is caused due to the mail server using wrong port number. If you don't have a faulty mail account then the error may have occurred due to the wrong port numbers in use. Check out that Outlook is using correct port number to fix the error. Change your port number and look if the error is rectified. The outlook Express error 0x800ccc90 is also caused because of the virus or firewall installed in your computer blocking the email. Disable your anti-virus or firewall protector and look if you are able to access your mail account or not if yes then the error is caused due to the firewall protection installed in your system and it needs to be changed.
With the help of above steps you can fix the error. If above steps fails to restore the mail account then in order to fix outlook error 0x800ccc90 user will have to Check the Outlook express settings. This mail server not found error may erupt due to faulty mail settings of your Outlook account and once fixed the settings you may look if the error had been rectified or not. Still if the outlook express error 0x800ccc90 pops out of your mailing profile then you need to fix the error by repairing your Entire Outlook Express. It is easy to repair Outlook with the help of a third party application Outlook PST repair software to fix the corruption.
Install the software with quick installation wizard. Just follow the wizard to successfully install the Outlook PST Repair.

Launch the Outlook PST Repair from the desktop shortcut. And select the corrupted PST file.

Click Next and follow the on-screen instruction to finish it. No need to Worry! Your Outlook.pst is in Hand of Professional.

Once Scanning process is completed, Outlook PST repair will show the previews of all the recoverable components.

After viewing the lost folder in the recovered item list. Go for the Licence key to save the pst file.
