With no other information, I can offer you the following technet articles
for possible resolutions:
RPC data may be blocked, and Outlook may not start in Windows Server ...
Task "Microsoft Exchange Server" reported error (0x80040115):
"The connection to the Microsoft Exchange Server is unavailable.
Outlook must be online or connected to complete this action." Note In ...
support.microsoft.com/default.aspx?scid=kb;en-us;897716
Description of the issues that are fixed in Outlook 2002 by the Office ...
Lists the issues fixed in Outlook 2002 by Office XP Service Pack 1 (SP1).
Description of the issues ... Server - Sending" reported error (0x80040115):
"The operation could not be completed because you ...
support.microsoft.com/?kbid=311573
Description of the issues that are fixed in Outlook 2002 by the Office ...
Description of the issues that are fixed in Outlook 2002 by the Office XP
Service Pack 1 View ... Server - Sending" reported error (0x80040115):
"The operation could not be completed because you ...
support.microsoft.com/?scid=http%3a%2f%2fwww.support.microsoft.com%2fkb%2f311573%2f
Outlook issue in Beta 1 Build 5112 - MSDN Forums
Outlook issue in Beta 1 Build 5112 Was this post helpful ?
Is any one else having a problem with ... the public folders and
gives an error of 0x80040115. This happens whether I have my
exchange set for ...
forums.microsoft.com/MSDN/ShowPost.aspx?PostID=93108&SiteID=1
Nikki Peterson