Cant Browse UNC Root from XP to 7 after SP1

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Petersgc

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Hello,

This problem has been annoying me for a few days now and I can't figure out what it is.

If I browse my Win7 PC via UNC (\\192.168.0.x) on an XP PC I am unable to get a list of shares. If I Directly open \\192.168.0.x\ShareName that will work perfectly.

I have a vista PC on the same network and that can see the root fine.

The only thing that I can think of is that SP1 has done something.... but not sure why it would only effect showing the list of shares...

As a side note in the event log i see the "Software Protection Service" keeps stopping and then starting, I tried googling it but no one seems to know if this is usual behavior to check the licence or if it shouldn't stop.

No Firewall
No Anti-Virus
Windows 7 X64 SP1 Ulti
XP Pro 32Bit
 

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Win 7Core 2 Duo L73003GBIntel GMA
Computer Manufacturer/Model Number
Lenovo X61T
OS
Win 7
CPU
Core 2 Duo L7300
Motherboard
Lenovo X61t
Memory
3GB
Graphics Card(s)
Intel GMA
Sound Card
SoundMax
Petersgc said:
Hello,

This problem has been annoying me for a few days now and I can't figure out what it is.

If I browse my Win7 PC via UNC (\\192.168.0.x) on an XP PC I am unable to get a list of shares. If I Directly open \\192.168.0.x\ShareName that will work perfectly.

I have a vista PC on the same network and that can see the root fine.

The only thing that I can think of is that SP1 has done something.... but not sure why it would only effect showing the list of shares...

As a side note in the event log i see the "Software Protection Service" keeps stopping and then starting, I tried googling it but no one seems to know if this is usual behavior to check the licence or if it shouldn't stop.

No Firewall
No Anti-Virus
Windows 7 X64 SP1 Ulti
XP Pro 32Bit
Click to expand...

Sharing the root is a security risk. You may also need to modify permissions for things to work as you might expect: How do I share the root of a drive?
 

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I am not sharing the root of a local Volume.

I'm talking about the root path of a UNC location.
"\\192.168.0.x" that shows the list of all the shares on the system.

Permissions are working correctly as I can access the shares like "\\192.168.0.x\Sharename" like I said previously.

And no permissions have been changed.
 

My Computer My Computer

At a glance

Win 7Core 2 Duo L73003GBIntel GMA
Computer Manufacturer/Model Number
Lenovo X61T
OS
Win 7
CPU
Core 2 Duo L7300
Motherboard
Lenovo X61t
Memory
3GB
Graphics Card(s)
Intel GMA
Sound Card
SoundMax
Petersgc said:
I am not sharing the root of a local Volume.

I'm talking about the root path of a UNC location.
"\\192.168.0.x" that shows the list of all the shares on the system.

Permissions are working correctly as I can access the shares like "\\192.168.0.x\Sharename" like I said previously.

And no permissions have been changed.
Click to expand...

Sounds like the workgroup advertising isn't getting through the firewalls. Try these steps Windows XP cannot access Windows 7 workgroup - Microsoft Answers

This might be helpful as well: http://windows.microsoft.com/en-US/windows-vista/Troubleshoot-network-connection-problems
 

My Computer My Computer

At a glance

El Capitan / Windows 10i7-4980HQ16GBIris 5200
Computer type
Laptop
Computer Manufacturer/Model Number
Apple
OS
El Capitan / Windows 10
CPU
i7-4980HQ
Memory
16GB
Graphics Card(s)
Iris 5200
There are no firewalls on any of the PCs.
The network subnet is listed as a WORK network.
 

My Computer My Computer

At a glance

Win 7Core 2 Duo L73003GBIntel GMA
Computer Manufacturer/Model Number
Lenovo X61T
OS
Win 7
CPU
Core 2 Duo L7300
Motherboard
Lenovo X61t
Memory
3GB
Graphics Card(s)
Intel GMA
Sound Card
SoundMax

My Computer My Computer

At a glance

El Capitan / Windows 10i7-4980HQ16GBIris 5200
Computer type
Laptop
Computer Manufacturer/Model Number
Apple
OS
El Capitan / Windows 10
CPU
i7-4980HQ
Memory
16GB
Graphics Card(s)
Iris 5200
Both PC's have the "Built-in Firewalls" DISABLED

Hence NO FIREWALLS are enabled.
 

My Computer My Computer

At a glance

Win 7Core 2 Duo L73003GBIntel GMA
Computer Manufacturer/Model Number
Lenovo X61T
OS
Win 7
CPU
Core 2 Duo L7300
Motherboard
Lenovo X61t
Memory
3GB
Graphics Card(s)
Intel GMA
Sound Card
SoundMax
Petersgc said:
Both PC's have the "Built-in Firewalls" DISABLED

Hence NO FIREWALLS are enabled.
Click to expand...

And the two computers are connected through a dumb switch/hub or crossover cable and NOT a router that may be blocking the require trafffic? Also, Windows 7 is configured for a Work or Home network on the adapter connecting to the XP machine?
 

My Computer My Computer

At a glance

El Capitan / Windows 10i7-4980HQ16GBIris 5200
Computer type
Laptop
Computer Manufacturer/Model Number
Apple
OS
El Capitan / Windows 10
CPU
i7-4980HQ
Memory
16GB
Graphics Card(s)
Iris 5200
Both computer are connected to a Un-Managed Switch, and can ping etc...
The Network settings on the Win7 (SP1) PC are set to "Work Network"

I can access the Win7 PC (on the XP) by typing the Direct Share Path "\\192.168.0.99\SHARE" or even "\\192.168.0.99\C$" but not "\\192.168.0.99\"

Both PCs have the same username and passwords and authentication is not an issue.

My Vista PC can see the Root of the UNC Patch "\\192.168.0.99" Perfectly
Just not the XP.
 

My Computer My Computer

At a glance

Win 7Core 2 Duo L73003GBIntel GMA
Computer Manufacturer/Model Number
Lenovo X61T
OS
Win 7
CPU
Core 2 Duo L7300
Motherboard
Lenovo X61t
Memory
3GB
Graphics Card(s)
Intel GMA
Sound Card
SoundMax
Petersgc said:
Both computer are connected to a Un-Managed Switch, and can ping etc...
The Network settings on the Win7 (SP1) PC are set to "Work Network"

I can access the Win7 PC (on the XP) by typing the Direct Share Path "\\192.168.0.99\SHARE" or even "\\192.168.0.99\C$" but not "\\192.168.0.99\"

Both PCs have the same username and passwords and authentication is not an issue.

My Vista PC can see the Root of the UNC Patch "\\192.168.0.99" Perfectly
Just not the XP.
Click to expand...

Suspect you need the hotfix at Network Map in Windows Vista does not display computers that are running Windows XP
 

My Computer My Computer

At a glance

El Capitan / Windows 10i7-4980HQ16GBIris 5200
Computer type
Laptop
Computer Manufacturer/Model Number
Apple
OS
El Capitan / Windows 10
CPU
i7-4980HQ
Memory
16GB
Graphics Card(s)
Iris 5200
Nope, That hotfix didn't work.
 

My Computer My Computer

At a glance

Win 7Core 2 Duo L73003GBIntel GMA
Computer Manufacturer/Model Number
Lenovo X61T
OS
Win 7
CPU
Core 2 Duo L7300
Motherboard
Lenovo X61t
Memory
3GB
Graphics Card(s)
Intel GMA
Sound Card
SoundMax

My Computer My Computer

At a glance

El Capitan / Windows 10i7-4980HQ16GBIris 5200
Computer type
Laptop
Computer Manufacturer/Model Number
Apple
OS
El Capitan / Windows 10
CPU
i7-4980HQ
Memory
16GB
Graphics Card(s)
Iris 5200
Do you mean Shares that have a SPACE in the name "MyShare" or "My Share" ?
 

My Computer My Computer

At a glance

Win 7Core 2 Duo L73003GBIntel GMA
Computer Manufacturer/Model Number
Lenovo X61T
OS
Win 7
CPU
Core 2 Duo L7300
Motherboard
Lenovo X61t
Memory
3GB
Graphics Card(s)
Intel GMA
Sound Card
SoundMax
Petersgc said:
Do you mean Shares that have a SPACE in the name "MyShare" or "My Share" ?
Click to expand...

Yes. That will kill the XP network browser dead.
 

My Computer My Computer

At a glance

El Capitan / Windows 10i7-4980HQ16GBIris 5200
Computer type
Laptop
Computer Manufacturer/Model Number
Apple
OS
El Capitan / Windows 10
CPU
i7-4980HQ
Memory
16GB
Graphics Card(s)
Iris 5200
Well I have had these Shares working with XP for about a year now (Until Win7 SP1), and have had XP to XP shares with Spaces in for over 5 years. So I can't see how that is possible. Are you sure your not thinking about 2000 or NT4?

I have removed any shares on the system with Spaces in but that didn't Fix the issue.
 

My Computer My Computer

At a glance

Win 7Core 2 Duo L73003GBIntel GMA
Computer Manufacturer/Model Number
Lenovo X61T
OS
Win 7
CPU
Core 2 Duo L7300
Motherboard
Lenovo X61t
Memory
3GB
Graphics Card(s)
Intel GMA
Sound Card
SoundMax
Update: I now have an error on the Windows XP box.

"WorkGroup is not accessible, The Semaphore timeout period has expired"


**Update

If the Administrator password is changed so it is not the same as the Windows 7 PC, the PC will Prompt for Authentication pause for 30sec and then display the Root of the UNC Path.

I can only establish this to be some extra security in SP1
 
Last edited:

My Computer My Computer

At a glance

Win 7Core 2 Duo L73003GBIntel GMA
Computer Manufacturer/Model Number
Lenovo X61T
OS
Win 7
CPU
Core 2 Duo L7300
Motherboard
Lenovo X61t
Memory
3GB
Graphics Card(s)
Intel GMA
Sound Card
SoundMax
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