Named Pipes on Vista

 Keywords: Pipe Named Pipes Vista

Question:

does anyone know if there is a limited no of pipes in Vista or even a restriction to only one??? Background is that I have a couple of scripts communication via pipes. They work fine from XP to XP and also from XP to Vista and back unless I try to open a second one :-(

Answer:

My understanding is the number of pipe instances that can be created is limited only by the availability of system resources.

Apparently Windows Vista has a stricter ACL created by default for named pipes.

Local Security Policies that control Named Pipes:

Network access: Restrict anonymous access to Named Pipes and Shares
When enabled, this security setting restricts anonymous access to shares and pipes to the settings for:
```
Network access: Named pipes that can be accessed anonymously
Network access: Shares that can be accessed anonymously
Default: Enabled.
```
Network access: Named pipes that can be accessed anonymously
This security setting determines which communication sessions (pipes) will have attributes and permissions that allow anonymous access.
```
Default: None.
```

See Also:
http://support.microsoft.com/kb/934539

Article ID:   W18429

Filename:   Named Pipes on Vista.txt

File Created: 2008:06:24:10:16:36

Last Updated: 2008:06:24:10:16:36

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