Vista – Your network Administrator has blocked you from connecting to this network

We have had several instances of this message recently when users are attempting to connect to their wireless LAN in Microsoft Windows Vista: “Your network Administrator has blocked you from connecting to this network



We have not yet found the cause of this. We will update this post when we do. Please add a comment if you have further informaion.



Vista wireless lan wlan blocked by administrator



Well here is the important part, the fix. You can use the Network Services shell to unblock the restriction.



  1. Click Start -> All Programs -> Accessories.
  2. Right-click Command Prompt , and then click Run as administrator . If you are prompted for an administrator password or confirmation, type your password or click Continue
  3. At the command prompt, type (or copy and paste. You can paste in the Command Prompt using a right-click) the following command, and then press ENTER:

netsh wlan delete filter permission=denyall networktype=infrastructure

netsh wlan delete filter permission=denyall networktype=adhoc



You can find additional details on the netsh wlan command here. Here is an exerpt from the documentation relating to the netsh wlan delete filter.



delete filter

Removes a wireless network from the wireless allowed or blocked list


Syntax: delete filter permission={allow|block| denyall} ssid=WirelessNetworkNamenetworktype={ infrastructure|adhoc}
permission {allow | block | denyall}

Required. Specifies the permission type of the filter.


Required [conditional, see “Remarks”]. Specifies the SSID of the wireless network.

networktype {infrastructure | adhoc}

Required. Specifies whether the wireless network type is adhoc or infrastructure.

Remarks: The ssid parameter is required, unless the value of the permission parameter is denyall. Then the ssid parameter should not be given.
Example commands:
  • delete filter permission=allow ssid=ssid1 networktype=infrastructure
  • delete filter permission=block ssid=ssid2 networktype=adhoc
  • delete filter permission=denyall networktype=adhoc


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