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Please read my article on Modern Folder sharing <br />
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<a href="https://www.experts-exchange.com/articles/16639/Folder-sharing-on-modern-machines.html" rel="ugc">https://www.experts-exchange.com/articles/16639/Folder-sharing-on-modern-machines.html</a><br />
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and make the settings changes on both machines and then restart both. <br />
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Then test again.
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Their peer to peer is set up fine. Something changed between yesterday and today. Looking for ideas...
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Turning off the firewall service does not open ports. Turning off the firewall (through the firewall GUI) does and should be tried.
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I have to ask. Throughout the years the biggest fix to connectivity has been to stop the firewall service. Turning off the firewall via the GUI has not work. Stopping the service has. EE is littered with this solution. If the firewall service is off what process is blocking ports?
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No, since Vista (came out late 2006), this is no longer true. You need to disable the firewall through the GUI, not the service.<br />
&quot;&nbsp;If the firewall service is off what process is blocking ports?&quot; - I have no idea, but I don't care, I have to say.
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The netsh does about 5 resets and on the sixth one it comes back with a failed, access denied. Ideas?
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&quot;The netsh&quot;... what did you do with netsh?<br />
There are predefined firewall setting for ping (=&quot;ICMP echo request&quot;), just use these.
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John's suggestion above was to reset TCP/IP. It happened to another one today. P2P is bad enough with just 2 or 3 computers. They have 7. Then throw in Windows 10...
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Pinging was just one of the symptoms. Not the only symptom. One computer could browse the shares on the other but now visa versa. One could ping the other but not visa versa. The way the other people set up the shares was by giving &quot;everyone&quot; full access to the shares and not using passwords. Then the just has to browse via File Explorer and open other computers at will<br />
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Then all of a sudden the other day when this lady tried browsing another workstation it popped up for the first time and started asking for credentials. Then yesterday they couldn't scan from the copy machine to a workstation. Just basic W10 P2P issues. It doesn't appear to be Firewall related but I haven't put my finger on it yet.<br />
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Resetting the TCP/IP Stack, disabling IPV6, enabling Netbios , setting Advanced Sharing to use passwords and editing the registry to allow blank passwords seems to fix it but know one know why it started happening or which &quot;fix&quot; actually did the trick.
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<i>setting Advanced Sharing to use passwords </i> &nbsp; &lt;-- This option is related to Homegroup. The machine either uses Homegroup or it uses password protected sharing. The options are mutually exclusive.
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The implication was password protected sharing. Homegroup is dangerous. Never use it. Did you see my question regarding netsh?
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<i>The netsh does about 5 resets and on the sixth one it comes back with a failed, access denied. Ideas? </i> &nbsp;<br />
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That does not happen on my machines or any client machine, so I am not sure why that happened, or indeed, if it is related to making things work.
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I hate to be the bearer of bad news but it happens on my computer and all my client's computers (Windows 10). At the least Windows 10 computers. See screen shot.....<br />
<a href="https://filedb.experts-exchange.com/incoming/2016/09_w40/1119883/Capture.PNG" target="_blank" class="file-inline" title="Capture.PNG (20 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>Capture.PNG</a>
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Capture.PNG

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Sorry about my confusion over &quot;5 times&quot;. Your screen shot clarifies things. That is the way NETSH works and always has for me. It still resets the stack.<br />
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So back to the password / homegroup change as the variable that fixed things
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Still no definitive answer on which step actually fixed things. The options was under Homegroup and &quot;Use User Accounts and Passwords to connect to other computers&quot; but since Homegroup wasn't being used that option is moot. <br />
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This is basically normal Windows 10 P2P issues. No rhyme or reason. No definitive fix (yet). You just try enough things and all of a sudden it starts working again.....
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That is because more than one variable can cause issues.
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There you go. The real question is &quot;which variable changed and caused the problem&quot;. That is what I meant above by &quot;This is basically normal Windows 10 P2P issues. No rhyme or reason. No definitive fix (yet). You just try enough things and all of a sudden it starts working again.....&quot;
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I have my two personal machines set up for peer to peer access and it works great. <br />
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Last week we were at our cottage for a week and I assisted a person here with Homegroup issues (making it work). To do that, I was in Control Panel, Homegroup and also Services. <br />
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All was well and I thought nothing more about it until Monday at a client and I could not connect to their server. Since networking was fine, the first port of call here was Advanced Sharing Settings in Network and Sharing Center. The password setting had been disabled. <br />
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I enabled Passwords, restarted and all was normal again.
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John, you keep using the phrase &quot;I do it on mine and it works great&quot;. Well.... as a rule things do but not always. I know peer to peer works. Has for a long time and it does work great when it works. I am happy it is working great for you but the problem is that it isn't working great for this one customer. If everything worked great all the time there would be no need for EE :)<br />
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I don't use home Homegroup and neither did the IT place that initially set up this network. Something changes and as is sometimes the case with Windows there is no definitive answer. This appears to be one of those cases. All you can do it ask others what can be tried....
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<i>This appears to be one of those cases. All you can do it ask others what can be tried.... </i><br />
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Yes. I keep a list of fixes in One Note for easy access if I need to troubleshoot.
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I know. Not my idea... &nbsp;very odd. Sue cannot ping (by name or IP) Larry's computer but Larry can ping Sue's computer. Same story. It use to work fine but today it doesn't. I shut the firewall service off on both. No joy. Any ideas?
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I know. Not my idea...  very odd. Sue cannot ping (by name or IP) Larry's computer but Larry can ping Sue's computer. Same story. It use to work fine but today it doesn't. I shut the firewall service off on both. No joy. Any ideas?

Windows 10 Peer to Peer Access

File sharing is the practice of distributing or providing access to digital media, such as computer programs, multimedia (audio, images and video), documents or electronic books. Common methods of storage, transmission and dispersion include manual sharing utilizing removable media, centralized servers on computer networks, World Wide Web-based hyperlinked documents, distributed peer-to-peer networking (P2P) and cloud-based file syncing.

File Sharing Software

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

Networking

Windows 10 is a personal computer operating system featuring the "universal application architecture" (UAP); apps can be designed to run across multiple devices with nearly identical code, including PCs, tablets, smartphones, embedded systems, Xbox One, Surface Hub and HoloLens. Windows 10 also includes a virtual desktop system, a window and desktop management feature called Task View, the Microsoft Edge web browser, support for fingerprint and face recognition login, voice-based search (Cortana), new security features for enterprise environments, and DirectX 12 and WDDM 2.0 to improve the operating system's graphics capabilities for games.