Outlook 2007 logo

Outlook 2003 Gives Connect To Instance Error When Connecting To Exchange 2010

IT Problem

If you are running Microsoft Outlook 2003 on your exchange 2010 system and you as usual launch Outlook you may see that it fails to connect to the name of your exchange 2010 server and instead it tries to connect to;

Instance -d34234-sdfs-sdf23423-sdfs ( A GUID name ).See the example below.

outlook 2003 connect to instance error

outlook 2003 connect to instance error

 

 

You may also see that when you try to recreate the connection to exchange and do a checkname you see the connect to instance error again like this.

outlook 2003 connect to instance client

outlook 2003 connect to instance client

 

Other errors you may see are Office Outlook 2003 will not  reconnect to the Exchange 2010 server. This may even happen with a simple restart of Outlook 2003.

The connection to the Microsoft Exchange Server is unavailable. Outlook must be online or connected to complete this action.

 

IT Solution

This is a known issue with outlook 2003 and exchange 2010 see the Microsoft fix below.

Make sure that outlook 2003 is at service pack 2003.

 

Allen White

Allen is a Consultant for ITPS in the North East of England and holds the following accreditations. MCSA, MCSE, MCTS, MCITP, CCA, CCSP, VCP 4,5 and HP ASE, AIS - Network Infrastructure.

Leave a comment

Categories

Vote!

What Web Browser Do You Use?

View Results

Loading ... Loading ...

Vote!

What do you prefer..VMware or Hyper-V?

View Results

Loading ... Loading ...