When opening a shared calendar users receive "Unable to retrieve requested resource or User has insufficient permissions. 500"

This article applies to the following products:
    Messageware CalendarShare 3.0

 

 

SYMPTOM

 

When opening a shared calendar the following error occurs

 

Unable to retrieve requested resource or User has insufficient permissions. 500

 

CAUSE

 

This issue occurs in an environment that has multiple domains. The CalendarShare Administrative Console allows the Exchange Administrator to provide domain override, however only one domain may be specified at a time.

 

 

RESOLUTION

 

To correct this behavior apply the steps below on the Exchange server:

 

Note: Restarting the World Wide Web Services is required

 

1.     Click on the following link to download the fix on the Exchange server http://w3.messageware.com/download/support/kb/296_OpenSharedCalendarFix.zip

2.     Extract the zip file to a temporary location

3.     Navigate to \Program Files\Messageware Incorporated\CalendarShare for Outlook Web Access\VDIR\bin

a.     Rename the CalendarShare.dll to CalendarShare.old

b.     Paste the new CalendarShare.dll to this location

c.     Rename the CalendarShareDelgation.dll to CalendarShareDelegation.old

d.     Paste the new CalendarShareDelegation.dll

e.     Verify the NTFS permissions match with the existing files

4.     Navigate to\Program Files\Messageware Incorporated\CalendarShare for Outlook Web Access\Resource

a.     Rename the MW_CalendarRes.dll to MW_CalendarRes.old

b.     Paste the new MW_CalendarRes.dll

c.     Verify the NTFS permissions match with the existing file

5.     Restart the World Wide Web Publishing Service for changes to take effect.

 

 

This article applies to the following products:
    Messageware CalendarShare 3.0