In the My Computer Properties dialog box, click the COM Security tab. In the My Computer Properties dialog box, click the COM Security tab. Expand Computers -> My Computer -> DCOM Config. Also, you may want to set other values for the computer or application. Many Windows errors arent as serious as they seem. However, if you have several individual applications all providing DCOM errors, the following process will take some time as you have to repeat the majority of it for each error. However, you will need first to take ownership of the folder and then execute the command. To protect individual COM-based applications or services, set the DCOM: Machine Access Restrictions in Security Descriptor Definition Language (SDDL) syntax setting to an appropriate device-wide ACL. So, I specified Allow for both Local & Remote access, for both the ANONYMOUS LOGON, and my user account, for both Activation Resolving DCOM permissions issues can be tedious and require a good deal of manual effort to fix. The reason why it does not skip the first attempt is because there are scenarios where it can succeed. This update addressed an issue that affected anonymous activation on platforms from Windows Server 2008 to Windows 10 (initial version released July 2015). You'll notice the Trusted Installer as owner. Icacls is a command-line utility that can display and modify the permissions on specified files and apply them. Odds are, your machine doesnt have the proper permissions. Dcomcnfg.exe provides a user interface for modifying certain settings in the registry. 9. Before going ahead, create a system restore point, so in case things go wrong, you can restore.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'thewindowsclub_com-medrectangle-4','ezslot_2',659,'0','0'])};__ez_fad_position('div-gpt-ad-thewindowsclub_com-medrectangle-4-0'); You will need admin permission to execute the commands. Please see my comment datedWednesday, January 03, 2018 11:34 AM. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. DCOM, or Distributed Component Object Model, is a technology in Windows allowing remote communication between programs. Important You must restart your device after setting this registry key for it to take effect. When your system makes a request using a script or otherwise, DCOM forwards the request to the specific script object. If you are running Windows XP or Windows Server 2003, perform With that in mind, here is one easy method for fixing DCOM Error 10016, and one slightly more long-winded fix. Head to Computers > My Computer > DCOM Config. However, you will need first to take ownership of the folder and then execute the command. You must be an administrator to run Dcomcnfg.exe. My Computer Compumind Permissions reset In fact, the DCOM Error 10016 is benign. Locate the service using the name and APPID, right-click and select Properties > Security. For example, many websites and services use scripts that access a remote server. Please remember to mark the replies as answers if they help. Click the Change link (next to the current owner) to select the applicable owner (e.g. Reboot again to see if this fixes the problem. Be sure and check out the Microsoft TechNet Script Center download and use this tool the next time you need to resolve permissions errors on your DCOM objects. Setting the DCOM Users permissions to both Local Access and Remote Access may prevent some DCOM errors. Were you able to find a resolution to your issue? Choose the Default Properties tab. This resets permissions for default junctions if you've messed about taking ownership of folders that you should have left alone: Folder name blank It uses setacl.exe (built in) Also check out a tool I sometimes use: However for serious issues reimage as suggested. Server Events - Indicateserver is receiving lower-level requests, "The server-side authentication level policy does not allow the user %1\%2 SID (%3) from address %4 to activate DCOM server. DCOM You can then cross-reference with Event Viewer to get the event ID to further troubleshoot the error. Local Administrators group) and click Apply, then OK. He has been a Microsoft MVP (2008-2010) and excels in writing tutorials to improve the day-to-day experience with your devices. Setting System-Wide Security Using DCOMCNFG - Win32 apps But what is it and how can you fix it if the error pops up? This service manages activation of COM objects and the running object table and provides helper services to DCOM remoting. It comes with a reset option that replaces ACLs with default inherited ACLs for all matching files. How to reset the default DCOM permissions a. Click Start and select Run, type dcomcnfg, and press Enter. From the Default Authentication Level list box, choose a value other than (None). These device-wide ACLs provide a way to override weak security settings that are specified by an application through the CoInitializeSecurity function or application-specific security settings.