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You may see the Outlook/Outlook Express error 0x800CCC64 while send or receiving email, replying email, opening outlook, log in or while saving, deleting or updating data. This error may appear any time with the following text messages.

Command not implemented

The Outlook Error 0x800CCC64 is not a common error and occurs rarely. If you are getting this error, it means there is something bad in outlook. You need to find and fix the bug immediately until became too late. This error may harsh outlook data file forever and you may lose entire saved data as email, notes, contacts, attachments etc.

Why “0x800CCC64 SMTP_502_COMMAND_NOTIMPL Command not implemented” error occurs?

There are too many reasons behind this error but sorting all the reasons manually is a big task and it is not easy to solve all those problems manually. It is recommended you to use advanced system optimizer utility to fix problems.

  1. Mostly this error occurs after upgrading office outlook to higher version or installing application that conflicts with outlook dll file. If you have recently installed application and after that getting this error remove those application completely.
  2. A corrupted or damaged plugin is also a major reason behind this error. Start outlook in safe mode and examine the error 0x800CCC64 SMTP_502_COMMAND_NOTIMPL Command not implemented.
  3. Registry corruption can’t be avoided in this situation. Most likely when this file gets corrupted or damaged you may receive the above error. Scan registry file using PC Health Advisor that is advanced system optimizer utility. It scans entire PC and removes all the system error by fixing registry error, exe error, dll error, driver issue, ActiveX error and other errors.
  4. If you are unable to login outlook or getting problem then it is better to recover all the items from previous PST file. To do this, create new profile in outlook and import all the data in it using PST Repair Tool.

PST Repair Tool is the advanced system utility that recovers all the data from corrupted, damaged or locked PST File. It automatically recovers data and saves into new PST File. You can now use this file with outlook and work without getting 0x800CCC64 SMTP_502_COMMAND_NOTIMPL Command not implemented error.

Easily fix Outlook/Outlook Express Error 0x800CCC64 SMTP_502_COMMAND_NOTIMPL

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