解决方法：
Diagnosis: This error may occur with previous version of QuickTest Professional,WinRunner, orLoadRunner, which do not support the new authentication procedure that TestDirector for Quality Center 9.0 uses. This can also happen when using the QC OTA API to create any utilities to connect to QC projects.
Solution
Define BACKWARD_SUPPORT_ALL_DOMAINS_PROJECTS as "Y" in the Site Administrator
This parameter enables the use of DomainList and ProjectsList properties for the purposes of backward compatiblity. If this parameter is set to "Y," the DomainList and ProjectsList properties are supported.
1. Launch the Site Administrator.
2. Select the Site Configuration tab.
3. Set the value for BACKWARD_SUPPORT_ALL_DOMAINS_PROJECTS to Y.
Note:
If the parameter does not exist, you will need to add it.
Diagnosis: This error may occur with previous version of QuickTest Professional,WinRunner, orLoadRunner, which do not support the new authentication procedure that TestDirector for Quality Center 9.0 uses. This can also happen when using the QC OTA API to create any utilities to connect to QC projects.
Solution
Define BACKWARD_SUPPORT_ALL_DOMAINS_PROJECTS as "Y" in the Site Administrator
This parameter enables the use of DomainList and ProjectsList properties for the purposes of backward compatiblity. If this parameter is set to "Y," the DomainList and ProjectsList properties are supported.
1. Launch the Site Administrator.
2. Select the Site Configuration tab.
3. Set the value for BACKWARD_SUPPORT_ALL_DOMAINS_PROJECTS to Y.
Note:
If the parameter does not exist, you will need to add it.
