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Workflow approval process going to incorrect URL or otherwise not working for 1 approver

Posted on 2010-01-06
Medium Priority
Last Modified: 2012-05-08
I have a user that is an approver on a workflow. When this user gets a notification that he needs to approve a request he goes to a task list, clicks on the request, and then clicks approve. His browser is then redirected to a page that returns the generic IE "Page cannot be displayed" message.

Another user is (and I also am) an approver for this workflow as well. When we go through the same process, the workflow is approved as it should be. I've double checked and all of our rights for this site and workflow are identical.

Also at times, the user in question clicks on the task from the task list screen I mentioned earlier and his browser is directed to the generic "Page cannot be displayed" message.

Here is what the URL looks like when I go the the approval screen from the task list

Here is what his looks like:

What are some things I can look at to fix this?
Question by:Mike Miller
  • 3
LVL 12

Expert Comment

ID: 26192138
the first thing i would do is have him try on a differant box or have you goto his machine and see if it happens to you.  Its allways to ggod to figure if its the machine or the user profile or a combo of both

Author Comment

by:Mike Miller
ID: 26193845
Ok I just went to his machine and went to log on as myself....same bad request screen. All I did was click on "Login as another User" (through SP) and it bombed.

Author Comment

by:Mike Miller
ID: 26195039
I looged in as him on my machine and it seemed to behave the same. Very strange. I poked around in other areas of SP for a while under his ID and then back to the task approval and got a "Request Header Too Long" error.

I also tried running the same process logged in both as him and as myself in Google Chrome and it worked fine. The behavior from my initial post was done in IE 8 both on a Vista and Win7 box. (The only difference in the two is an additional InfoPath popup message on 7 prior to going to the Bad Request error page)

Accepted Solution

Mike Miller earned 0 total points
ID: 26195430
Got it. For anyone who stumbles across this page, here's the solution...

IIS does not authenticate Sharepoint (which I didn't know). Sharepoint uses an internal authentication process which you can find fumbling around on the site. By default, Sharepoint uses Kerberos to authenticate users. Well this particular user was added to several security groups over the past couple weeks which increased the length of his Kerberos ticket. We configure IIS to use NTLM so it never occurred to me that this would be an issue. Well after finding the Sharepoint Authentication page, I changed the authentication mode to NTLM and presto! It worked.

I suppose the alternative would be to remove the user from AD groups :-p
LVL 19

Expert Comment

ID: 26203008
Thanks for posting this, wouldn't have figured that out tbh :p

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