Part 2 of a 2 part post. Part 1 provides a background for Virtual List View (VLV) and the impact on Exchange of disabling this functionality. In this part we’re going to look at some examples of error messages which will be returned from ExBPA and OWA when VLV is disabled.

 

Test Environment

2 – 2003R2 SP2 dcs

2 – Exchange 2003 – Windows 2003

1 – CCR Windows 2008

2 – HUBCAS Windows 2008

Outlook 2003 SP2

Outlook 2007

All Outlook clients are in online mode

The environment has 90,000+ mailbox or mail-enabled objects

vl1

One domain one AD Site

DisableVLVSupport is set to 1

Exchange Best Practice Analyzer (ExBPA)

vl2

OWA error message when accessing the default address book

vl3

Searching for one user in the address books works fine

vl4

vl5

OWA for Exchange 2003 works since it does not display the entire address book it only allows you to search for mail or mailbox enable objects

vl6

Length of time it takes to open address book with VLV set to 1

Outlook 2003 client– Exchange 2003 mailbox

Address book opened in 2 seconds

Outlook 2007 client – Exchange 2003 mailbox

Address book opened in 1 second

Outlook 2003 client – Exchange 2007 mailbox

Address book opened in 1 second

Outlook 2007 client – Exchange 2007 mailbox

Address book opened in 2 seconds

 

Change DisableVLV to 0

vl7

OWA

vl8

Length of time it takes to open address book with VLV set to 0

Outlook 2003 client– Exchange 2003 mailbox

Address book opened in 1 second

Outlook 2007 client – Exchange 2003 mailbox

Address book opened in 1 second

Outlook 2003 client – Exchange 2007 mailbox

Address book opened in 1 second

Outlook 2007 client – Exchange 2007 mailbox

Address book opened in 2 seconds

Reference

http://support.microsoft.com/kb/820864

http://technet.microsoft.com/en-us/library/cc179232.aspx

http://technet.microsoft.com/en-us/library/cc540446.aspx

http://support.microsoft.com/kb/886683

http://forums.msexchange.org/m_1800446556/tm.htm