Error 5016 or 9008 occurs when attempting to connect to MS Project Server 2003.
The log reads as follows:
2007-09-05 15:11:11] Error: An exception occurred and was handled: An error occurred while attempting to connect to Microsoft Project Server.
Unexpected PDS Error. (5016) at Replicon.MSPI.PDS.PDSConnection.LogonToProjectServer(Boolean checkVersions)
[2007-09-05 15:11:13] Error: An exception occurred and was handled: An error occurred while connecting to Microsoft Project
Access Denied – You are not logged in at Replicon.Client.RRequestProcessor.GetResponse(ArrayList commandObjs, String rtapiVersion, ActionOnError actionOnError)
at Replicon.Client.RRequestProcessor.GetResponse(Command commandObj, String rtapiVersion, ActionOnError actionOnError)
at Replicon.Client.RSession.UserDefinedFieldQuery(RQuery query)
at Replicon.MSPI.GUI.MSPIMain.buttonProjectServerConnect_Click(Object sender, EventArgs e)
In the event viewer on the Project Server box, you may see this event logged in the Application Log:
Error Number: 0x2330
Description: <Description><![CDATA[CMain.HandleUnknownRequest; 429 :
ActiveX component can't create object]]></Description>
Open the Windows Registry to check the PDSExtension keys in the following location,
HKEY_LOCAL_MACHINESOFTWAREMicrosoftOffice11.0MS ProjectWebClient ServerProjectServer
The data values in this registry should read: Microsoft.ProjectServer.Extension.General
Rename any values found in this registry entry, to the one mentioned above.
Restart the MS Project Integration Manager.