0x800401F Error in Outlook 2007 with Exchange 2007
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Applicable To
The article applies to all IT Solutions Now hosted customers
Summary
This error is related to your Offline Address Book. Without the Offline Address Book downloaded to your PC you will have numerous errors.
The most common reason that this error occurs is because your DNS is not configured with the autodiscover.domain.com (replace domain.com with your domain name).
Configuration Steps
To configure your Autodiscover Record:
You will also need to create one of the following DNS records:
A record for autodiscover.domain.com
pointing to 66.129.95.126
OR
CNAME record for autodiscover.domain.com
pointing to autodiscover.myhostedsolution.com
Once the record has been created, some DNS servers to not auto-refresh, so this change make take several hours before going into effect.
Last, you may need to force Outlook to download the Offline Address Book. You may do this by selecting:
Send/Receive
Send/Receive Group
Download Address Book
Uncheck "Download changes since last Send/Receive" and select OK
Prerequisites
This is the prerequisites
Common Questions That Apply To This Article
What is 0x800401F Error?
How to download the offline address book in Outlook?
Keywords
0x800401F, Address Book, Offline