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Unable to Assign Extension Number to a User
8x8 Support

Unable to Assign Extension Number to a User

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Symptom

Unable to assign a particular extension number to a user from Configuration Manager. An error is shown, "User settings saved with errors. Failed at extension update." or an error indicating that the extension already exists.

Other extension numbers (such as the suggested extension) can be assigned to the user.

Applies To

  • Virtual Office Configuration Manager 
  • Extensions

Resolution

Use an alternative extension number.

Cause

Some extension numbers are reserved for use by the system for use by services, these are not always visible in Configuration Manager.

For example, 601-605 are reserved for call park virtual extensions.