Environment
Situation
Resolution
a. Obtain a copy of NDPPNT.DLL from the 4.91 SP1 client. (located in the SYSTEM32 directory)
b. Copy the NDPPNT.DLL from the SP1 client to the SYSTEM32 directory of the workstation running 4.91 SP2.
c. Restart the workstation.
Workaround #2:
Click Continue Anyway to the Microsoft Driver Signing Warning.
Status
Reported to EngineeringAdditional Information
1. Prove the Driver Signing Warning doesn't show with 4.91
SP1 client
a. Install the shipping 4.91 SP1 client with
custom install. Choose to install the NDPS component.
b. Install an NDPS printer using the Add Printer
Wizard. You will not get prompted with the Driver Signing
Warning.
2. Remove the installed print driver from the
workstation.
a. Delete the newly installed NDPS
printer.
b. Remove the driver from the OS.
i. Click File
-> Server Properties (within Windows Printers window)
ii. Drivers tab ->
Remove all the printer drivers on the system
3. Duplicate the error
a. Install SP2 for the 4.91 client
b. Install the same printer, the same
way
c. The Driver Signing Warning will be
presented.