There are the following miscellaneous services:
| Service | Description |
|---|---|
| _AddReclaimableItem | Identifies regions of VM memory that can be reclaimed. |
| Begin_Reentrant_Execution | Start re-entrant execution. |
| _CallRing3 | Reserved for internal use. |
| Close_Boot_Log | Closes the system boot log. |
| Directed_Sys_Control | Jumps to the VxD's device-control procedure. |
| EnableDisable_Boot_Log | Enables or disables boot logging from the virtual machine manager (VMM). |
| End_Reentrant_Execution | End re-entrant execution. |
| _EnumReclaimableItem | Enumerates reclaimable regions of VM memory declared by a previous call to the _AddReclaimableIem. |
| Get_Boot_Flags | Retrieves the boot-time flags. |
| Get_DDB | Determines whether or not a VxD is installed for the specified device and returns a DDB (Device Description Block) for that device if it is installed. |
| GetSetDetailedVMError | Gets and sets error information. |
| _GetVxDName | Retrieves the name of the VxD that contains the specified linear address. |
| Hook_Device_PM_API | Installs a protected-mode API callback. |
| Hook_Device_Service | Installs a hook for a device service. |
| Hook_Device_V86_API | Installs a V86-mode API callback. |
| Install_Exception_Handler | Installs an exception handler. |
| _LocalizeSprintf | To be supplied. |
| _LocalizeStackSprintf | To be supplied. |
| Log_Fault_Call_Out | Callout service that the VMM calls when it is about to report a fault to the user. |
| Map_Flat | Converts a V86 or protected-mode address. |
| Map_Lin_To_VM_Addr | Converts a linear address. |
| MMGR_SetNULPageAddr | Sets the physical address of system nul page. |
| Open_Boot_Log | Opens the system boot log. |
| _Register_Win32_Services | Copies the location of the calling VxD's Win32 service-table in the DDB. |
| Remove_Exception_Handler | Removes an exception handler. |
| Set_Boot_Flags | Sets the boot-time flags. |
| Set_Delete_On_Exit_File | Adds a file to the list to delete when exiting. |
| _SetReclaimableItem | Marks as fully reclaimable or restorable, the regions of reclaimable VM memory declared by a previous call to the _AddReclaimableItem service. |
| Set_System_Exit_Code | Sets the Windows exit code value. |
| System_Control | Sends a control message to all virtual devices. |
| Unhook_Device_Service | Unhooks a device service. |
| VMM_Add_DDB | Adds a Vxd_Desc_Block structure (DDB or Device Description Block) to the appropriate location in the device list (the locations are based on the initialization order). |
| VMM_GetDDBList | Retrieves the address of the DDB (Device Description Block) list. |
| VMM_GetVxDLocationList | Returns the address of the VxD location list in EAX, returns the count of VxDs in EDX, and returns the list size (in bytes) in ECX. |
| VMM_Remove_DDB | Removes a Vxd_Desc_Block structure (DDB or Device Description Block) from the device list. |
| VMMAddImportModuleName | Adds the specified import-module name to an internal table. |