When opening a shared calendar, users receive the following error message “Unable to retrieve requested resources: 500”

This article applies to the following products :

Messageware CalendarShare 2003

Messageware CalendarShare 2000

 

SYMPTOM

 

When attempting to open a shared calendar, users receive the following error message:

 

“The calendar you have requested was not located or you may not have sufficient delegate permissions. (Unable to retrieve requested resources: .500)”

    

CAUSE

 

This issue occurs when a user does not have an SMTP address that corresponds with the Domain used by OWA in the Active Directory   

 

RESOLUTION

To resolve this issue, verify the domain configured for OWA and ensure that the users have the SMTP address corresponding to the domain in the Active Directory.

 

How to determine the domain used by OWA

 

1.     Open the Exchange System Manager and expand Administrative Groups/First Administrative Group/Servers/<server>/HTTP/Protocols/Exchange Virtual Server

2.     Right-click on Exchange and select Properties

3.     On the General tab, the SMTP domain is specified in the Exchange Path section where the Mailboxes for SMTP domain radio button is selected

 

How to provide a user with an SMTP address in the domain used by OWA

 

1.     Using Active Directory Users and Computers, right-click on the user account and select Properties

2.     Navigate to the E-mail Addresses tab

3.     Verify the user has an SMTP address in the domain used for OWA access

 

ADDITIONAL INFORMATION

For further information, refer to the Messageware knowledgebase article below:

 

User unable to logon to OWA and receives error “The page cannot be found"

http://m3.messageware.com/kb/customer/KBArticle.aspx?articleid=143

 

 

This article applies to the following products :

Messageware CalendarShare 2003

Messageware CalendarShare 2000