An invalid value for UNCUserName or UNCPassword is causing login to fail.

Posted on 2006-11-28
Last Modified: 2010-05-18
Hello All -

THis is my problem: An invalid value for UNCUserName or UNCPassword is causing login to fail. when trying to access IIS 6.0 websites. No site works
in IIS.

I have tried resetting defualt directories for Exchange - (becuase we originally noticed that Outlook Web Access wasnt working). I checked all the ports
IIS is using port 80 i just restored IIS config from an autopmatic backup this morning. (before i made any changes). Still same issue.

SBS2003, Latest Service Pack.

Please Advise...

Question by:rbollinger1212
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LVL 74

Expert Comment

by:Jeffrey Kane - TechSoEasy
ID: 18034526
Did you run the Configure Email and Internet Connection Wizard (CEICW -- which is linked as Connect to the Internet in the Server Management Console > Internet and Email) after restoring your IIS config this morning?

A visual how-to is here: and a full networking overview for SBS is at


Author Comment

ID: 18042573
No, becuase exchange is working fine for all other features of exchange. mail comes mail goes. this is strictly an IIS issue. becuase i can access the files in wwwroot (such as default.htm etc) from windows explorer.

LVL 74

Accepted Solution

Jeffrey Kane - TechSoEasy earned 500 total points
ID: 18042816
Please DO run the CEICW, as this is the way to generally fix problems like this.  The CEICW has four components and you can skip any one of them by selecting "do not configure".


Expert Comment

ID: 33738525
Which of the four sections of CEICW would you run to fix this issue?
LVL 74

Expert Comment

by:Jeffrey Kane - TechSoEasy
ID: 33738557
My comment above was referring to skipping the Email component of the CEICW.  Run the rest.


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