Updating the gal
There are various Registry settings available to control or modify the update and download behavior of the Offline Address Book in Outlook.
Use Cached Exchange Mode but without OABTo always work with the Online Address Book, even when you have Cached Exchange Mode enabled, you can set the following Registry key and value.
Keeping up with changes in user details can be a real bother for Exchange Server administrators.
A variety of techniques allow users to update their own details, using ADSI and CDO techniques.
In that case the whole OAB is being downloaded again.
In a later section, it is explained how to modify this.
The GAL contains contact information for users from both services.
For instance, setting the value to 4 will trigger a full download when the incremental update is larger than one-fourth the size of the full OAB.
When the value is set to 0, Outlook will use 16 to prevent a “divide by 0” error.
Microsoft Tools | Code Samples | Third-party Tools Directify gives the typical end user the ability to update their directory information (telephone number, office location etc) using their web browser browser.
Object creation as well as updating group membership is possible as well. IMI GAL Modify is a small utility for Exchange Admin to modify the Mailbox attributes on MS Exchange Server 5.5.