The Win7 shared printer has the problem "Unable to save the printer settings, the operation could not be completed (error 0x000006d9)"

  


My solution is to enable the firewall in the system service. “Computer"Right——Manage ——Services Find Windows Firewall and launch it. The firewall can be turned off after setting. Running Services.msc at the same time must ensure that all of the following services are started: Computer browser, Server, Print spooler. Explanation of the official Microsoft documentation When you try to share a printer on a computer that is running Windows 7 or Windows Server 2008 R2, the 0x000006D9 error Symptom When you try to share a printer on a computer that is running Windows 7 or Windows Server 2008 R2, you may receive Go to one of the following error messages. When you use the Add Printer Wizard to share a printer, you receive the error message: Windows cannot share the printer. Cannot find operation completed (Error 0x000006D9) When using printer properties set to shared printer, I get an error message: Unable to save printer settings. Cannot find operation completed (error 0x000006D9) When you look at the error code, you will find that there is no endpoint from the endpoint mapper: C:\\ > err.exe 0x000006d9 is hexadecimal 0x6d9 /decimal 1753 EPT_S_NOT_REGISTERED Winerror.h has no more endpoints from the endpoint mapper. Cause This issue may occur if the Windows Firewall service is stopped or disabled. To share a printer or Windows Server 2008 R2 in Windows 7, you must enable the Windows Firewall service. To resolve this issue, set the Windows Firewall service to Automatic and then start the service. MORE INFORMATION This issue occurs because the spooler service uses the Firewallapi.dll file to make API calls to check the availability of the Windows Firewall service. The share is executed for the first time, and the following rules are passed in during this process: File and Printer Sharing (RPC EPMAP for Spooler Service) File and Printer Sharing (RPC for Spooler Service) File and Printer Sharing (Reply Request - ICMPv4) File and Printer Sharing (Reply Request - ICMPv6) File and Printer Sharing (LLMNR-UDP Unit) File and Printer Sharing (Unit for NB Datagram) File and Printer Sharing (NB-Name-inch) File and Printer Sharing (NB-Session-Inch) File and Printer Sharing (SMB inches) Note The first time you share a folder on your computer, the incoming rules are enabled the same. When the firewall service is running, the following registry checks the firewall rules: HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\services\\SharedAccess\\Parameters\\FirewallPolicy\\FirewallRules Similar events are set when the incoming rules are set. You can see that these events in the applications and services are logged in the Microsoft Windows Firewall with Advanced Security Log, as follows: Advanced security login name with each firewall: Microsoft Windows Windows Firewall with advanced security Source: Microsoft Windows Windows Firewall Date: <Date> Event ID: 2005 Task Category: None Level: Information Keyword: (2199023255552) User: Local Service Computer: <Computer Name> Description: In the Windows Firewall Exception List The rule has been modified. Modified Rule: Rule ID: FPS-SpoolSvc-Medium-TCP-NoScope Rule Name: File and Printer Sharing (RPC for Spooler Service) Origin: Local Activity: Yes Direction: Inbound Profile: Domain Action: Allow Application Program path: C:\\Windows\\system32\\spoolsv.exe Service Name: Print Spooler Protocol: TCP Security Options: None Edge Traversal: None Modify User: System Modify Application: C:\\Windows\\System32\\svchost.exe with Advanced Secure Login Name per Firewall: Microsoft Windows Windows Firewall Source with Advanced Security: Microsoft Windows Windows Firewall Date: <Date> Event ID: 2005 Task Category: None Level: Information Keyword: (2199023255552) User : Local Service Computer: <Computer Name> Description: The rule has been modified in the Windows Firewall exceptions list. Modified rules: Rule ID: FPS-RPCSS-Medium-TCP-NoScope Rule Name: File and Printer Sharing (RPC EPMAP for Spooler Service) Origin: Local Activity: Yes Direction: Inbound Profile: Domain Action: Allow Application Path: Service Name: Rpcss Protocol: TCP Security Options: None Edge Traversal: None Modify User: System Modify Application: C:\\Windows\\System32\\svchost.exe

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