Setup has determined the display name of the Organization or one of the Exchange Sites in your Organization is greater than ...

- Setup has determined the display name of the Organization or one of the Exchange Sites in your Organization is greater than 64 characters or contains at least one of the following invalid characters: %s (including a leading / trailing  space). To correct this, you must use the Exchange 5.x Administration tool to change the display name of either the organization and/or the affected Sites and then re-run setup.