Open Personal Geodatabase using ArcGIS Server license

[Ranga_Tolapi]

In the ArcObjects 10.8.1 (Java) code, initialized ArcGIS Server license.

_aoInitialize.initialize(esriLicenseProductCode.esriLicenseProductCodeArcServer);

Trying to open a Personal Geodatabase using the below Esri provided code snippet.

[Java]
//For example, pathToFile= "C:\\myData\\mypGDB.mdb".
static IWorkspace openFromFile_pGDB_Workspace(String pathToFile)throws Exception{
    IWorkspaceFactory workspaceFactory = new AccessWorkspaceFactory();
    return workspaceFactory.openFromFile(pathToFile, 0);
}

Getting an exception as below.

AutomationException: 0x80040154 - Class not registered
	at com.esri.arcgis.interop.NativeObjRef.init(Unknown Source)
	at com.esri.arcgis.interop.NativeObjRef.<init>(Unknown Source)
	at com.esri.arcgis.interop.Dispatch.createDispatch(Unknown Source)
	at com.esri.arcgis.interop.Dispatch.<init>(Unknown Source)
	at com.esri.arcgis.geodatabase.IWorkspaceFactoryProxy.<init>(Unknown Source)
	at com.esri.arcgis.datasourcesGDB.AccessWorkspaceFactory.<init>(Unknown Source)
	at com.esri.arcgis.datasourcesGDB.AccessWorkspaceFactory.<init>(Unknown Source)

Where as, the below code for File Geodatabase was WORKING FINE with out any issue.

[Java]
//For example, pathToFile= "C:\\myData\\myfGDB.gdb".
static IWorkspace openFromFile_fGDB_Workspace(String pathToFile)throws Exception{
    IWorkspaceFactory workspaceFactory = new FileGDBWorkspaceFactory();
    return workspaceFactory.openFromFile(pathToFile, 0);
}

As per the API documentation, AccessWorkspaceFactory is available with ArcGIS Server too. Then what could be the reason for exception?

Can someone throw some light here.