Answered by:
Expand Dsitribution List

Question
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Hi,
I cannot expand AD/Exchange distribution lists. Office Communicator says:
"Cannot perform this action, and the cause is unknown. Contact your....."
Upon investigation from our standard edition server I browse to:
https://hostname/GroupExpansion/service.asmx
I invoke the ExpandDistributionList with a valid group email. I then get an http 500 error.
If i type in an incorrect email i get xml with "notfound"
How to i fix this HTTP 500 - internal server error?
thanks
LeightonThursday, May 31, 2007 1:00 PM
Answers
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Try the following:
Click Start, click Run, type inetmgr, and then click OK.
- Expand ServerName, expand Web Sites, expand Default Web sites, and then expand Abs.
- Right-click Ext, and then click Properties.
- In the Ext Properties dialog box, on the Virtual Directory tab, click to select the A directory located on this computer option, click Browse to select the Address Book Files folder, and then click OK.
- Repeat steps 3 to 4 for Int.
Also, verify that the directory you designate has NTFS permissions on it to allow the RTC Server Local Group Full Control over the folder.
Thursday, June 14, 2007 1:34 PM
All replies
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Saturday, June 2, 2007 12:21 AM
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browsing to it is fine.
https://hostname brings up the IIS under construction site
https://hostname/groupexpansion/service.asmx brings up the live server distribution list expander
Nothing wrong with the IIS server. Something to do with the expanddistriubtionlist code.Monday, June 4, 2007 9:48 AM -
Try the following:
Click Start, click Run, type inetmgr, and then click OK.
- Expand ServerName, expand Web Sites, expand Default Web sites, and then expand Abs.
- Right-click Ext, and then click Properties.
- In the Ext Properties dialog box, on the Virtual Directory tab, click to select the A directory located on this computer option, click Browse to select the Address Book Files folder, and then click OK.
- Repeat steps 3 to 4 for Int.
Also, verify that the directory you designate has NTFS permissions on it to allow the RTC Server Local Group Full Control over the folder.
Thursday, June 14, 2007 1:34 PM -
Cheers Chad. The IIS directories were already set correctly, and the NTFS permissions for the RTC Server Local Group were also there. I think by re-applying the NTFS permissions it fixed the issue. I can now expand the email groups.
Thanks for your help.
LeightonMonday, June 18, 2007 10:20 AM -
We had the same problem. I verified all the settings were correct. However, when I added the RTC Server Local Group with full control to the Program Files\Microsoft Office Communications Server 2007\Web Components\Group Expansion and reset IIS, expansion worked. After that, I reset permissions back to the default (read/execute) and reset IIS. We can still expand DL's. I assume "refreshing" NTFS permission fixed our issue.
Tuesday, November 13, 2007 5:27 PM -
I am having the same issues. I have added the rtc local server group to both the group expansion folder and the address book files folders with full control - reset iis - reopened communicator and I am still unable to expand distribution lists. I have also rebrowsed for the addrbook files in IIS like suggested. When i go to the services.asmx page and put in a valid distribution list email I get the 500 internal server error. When I put in an email that does not exist I get an XML page that says invalid list (which looks correct).
Any other ideas?
Sunday, September 28, 2008 2:46 PM -
Monday, September 29, 2008 1:07 PM
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Tuesday, October 7, 2008 12:10 AM