--- title: Troubleshooting Certificate Permission Issues description: Troubleshooting Certificate Permission Issues author: jamiejdt ms.assetid: 06b8cbbc-93fd-44aa-af39-2d780792d3c3 ms.pagetype: mdop, appcompat, virtualization ms.mktglfcycl: deploy ms.sitesec: library ms.prod: w8 ms.date: 06/16/2016 --- # Troubleshooting Certificate Permission Issues After the installation of App-V 4.5, if the private key has not been configured with the proper ACL for the Network Service, an event is logged in the NT Event Log and an entry is placed in the `Sft-server.log` file. ## Error Messages ### Windows Server 2003 Event ID 36870—A fatal error occurred when attempting to access the SSL server credential private key. The error code returned from the cryptographic module is 0x80090016. ### Windows Server 2008 Event ID 36870—A fatal error occurred when attempting to access the SSL server credential private key. The error code returned from the cryptographic module is 0x8009030d. ## Sft-server.log The following error is placed in the `sft-server.log` file located in the `%ProgramFiles%\Microsoft System Center App Virt Management Server\App Virt Management Server\logs` directory: Certificate could not be loaded. Error code \[-2146893043\]. Make sure that the Network Service account has proper access to the certificate and its corresponding private key file.