Web Client Remote Connection Error

To resolve this problem, use the following methods, as appropriate.

To verify that Remote Desktop is enabled

Open the System item in Control Panel. To start the System tool, click Start, click Control Panel, click System, and then click OK.
Under Control Panel Home, click Remote settings.
Click the Remote tab.
Under Remote Desktop, select either of the available options, depending on your security requirements:

Allow connections from computers from computers running any version of Remote Desktop (less secure)
Allow connections from computers only from computers running Remote Desktop with Network Level Authentication (more secure)
If you select Don’t allow connections to this computer on the Remote tab, no users will be able to connect remotely to this computer, even if they are members of the Remote Desktop Users group.

To verify Remote Desktop Services "Limit number of connections" policy

Start the Group Policy snap-in, and then open the Local Security Policy or the appropriate Group Policy.
Locate the following command:

Local Computer Policy > Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Connections "Limit number of connections"
Click Enabled.
In the RD Maximum Connections allowed box, type the maximum number of connections that you want to allow, and then click OK.

To verify Remote Desktop Services RDP-TCP properties

Follow these steps, depending on your operating system version.

Setting via Remote Desktop Services Configuration

To configure the number of simultaneous remote connections allowed for a connection

On the RD Session Host server, open Remote Desktop Session Host Configuration. To open Remote Desktop Session Host Configuration, click Start, point to Administrative Tools, point to Remote Desktop Services.
Under Connections, right-click the name of the connection, and then click Properties.
On the Network Adapter tab, click Maximum connections, enter the number of simultaneous remote connections that you want to allow for the connection, and then click OK.
If the Maximum connections option is selected and dimmed, the Limit number of connections Group Policy setting has been enabled and has been applied to the RD Session Host server.

To verify Remote Desktop Services Logon rights

Configure the Remote Desktop Users Group

The Remote Desktop Users group on an RD Session Host server grants users and groups permission to remotely connect to an RD Session Host server. You can add users and groups to the Remote Desktop Users group by using the following tools:

Local Users and Groups snap-in
The Remote tab in the System Properties dialog box on an RD Session Host server
Active Directory Users and Computers snap-in, if the RD Session Host server is installed on a domain controller
You can use the following procedure to add users and groups to the Remote Desktop Users group by using the Remote tab in the System Properties dialog box on an RD Session Host server.

Membership in the local Administrators group, or equivalent, on the RD Session Host server that you plan to configure, is the minimum required to complete this procedure.

To add users and groups to the Remote Desktop Users group by using the Remote tab:

Start the System tool. To do this, click Start, click Control Panel, click the System icon, and then click OK.
Under Control Panel Home, click Remote settings.
On the Remote tab in the System Properties dialog box, click Select Users. Add the users or groups that have to connect to the RD Session Host server by using Remote Desktop.
Note If you select the Don’t allow connections to this computer option on the Remote tab, no users will be able to connect remotely to this computer, even if they are members of the Remote Desktop Users group.

To add users and groups to the Remote Desktop Users group by using Local Users and Groups snap-in:

Click Start, click Administrative Tools, and then click Computer Management.
In the console tree, click the Local Users and Groups node.
In the details pane, double-click the Groups folder.
Double-click Remote Desktop Users, and then click Add.
In the Select Users dialog box, click Locations to specify the search location.
Click Object Types to specify the types of objects that you want to search for.
In the Enter the object names to select (examples) box, type the name you want to add.
Click Check Names.
When the name is located, click OK.

To resolve this problem, use the following methods, as appropriate.

To verify that Remote Desktop is enabled

Open the System item in Control Panel. To start the System tool, click Start, click Control Panel, click System, and then click OK.
Under Control Panel Home, click Remote settings.
Click the Remote tab.
Under Remote Desktop, select either of the available options, depending on your security requirements:

Allow connections from computers from computers running any version of Remote Desktop (less secure)
Allow connections from computers only from computers running Remote Desktop with Network Level Authentication (more secure)
If you select Don’t allow connections to this computer on the Remote tab, no users will be able to connect remotely to this computer, even if they are members of the Remote Desktop Users group.

To verify Remote Desktop Services "Limit number of connections" policy

Start the Group Policy snap-in, and then open the Local Security Policy or the appropriate Group Policy.
Locate the following command:

Local Computer Policy > Computer Configuration > Administrative Templates > Windows Components > Remote Desktop Services > Remote Desktop Session Host > Connections "Limit number of connections"
Click Enabled.
In the RD Maximum Connections allowed box, type the maximum number of connections that you want to allow, and then click OK.

To verify Remote Desktop Services RDP-TCP properties

Follow these steps, depending on your operating system version.

Setting via Remote Desktop Services Configuration

To configure the number of simultaneous remote connections allowed for a connection

On the RD Session Host server, open Remote Desktop Session Host Configuration. To open Remote Desktop Session Host Configuration, click Start, point to Administrative Tools, point to Remote Desktop Services.
Under Connections, right-click the name of the connection, and then click Properties.
On the Network Adapter tab, click Maximum connections, enter the number of simultaneous remote connections that you want to allow for the connection, and then click OK.
If the Maximum connections option is selected and dimmed, the Limit number of connections Group Policy setting has been enabled and has been applied to the RD Session Host server.

To verify Remote Desktop Services Logon rights

Configure the Remote Desktop Users Group

The Remote Desktop Users group on an RD Session Host server grants users and groups permission to remotely connect to an RD Session Host server. You can add users and groups to the Remote Desktop Users group by using the following tools:

Local Users and Groups snap-in
The Remote tab in the System Properties dialog box on an RD Session Host server
Active Directory Users and Computers snap-in, if the RD Session Host server is installed on a domain controller
You can use the following procedure to add users and groups to the Remote Desktop Users group by using the Remote tab in the System Properties dialog box on an RD Session Host server.

Membership in the local Administrators group, or equivalent, on the RD Session Host server that you plan to configure, is the minimum required to complete this procedure.

To add users and groups to the Remote Desktop Users group by using the Remote tab:

Start the System tool. To do this, click Start, click Control Panel, click the System icon, and then click OK.
Under Control Panel Home, click Remote settings.
On the Remote tab in the System Properties dialog box, click Select Users. Add the users or groups that have to connect to the RD Session Host server by using Remote Desktop.
Note If you select the Don’t allow connections to this computer option on the Remote tab, no users will be able to connect remotely to this computer, even if they are members of the Remote Desktop Users group.

To add users and groups to the Remote Desktop Users group by using Local Users and Groups snap-in:

Click Start, click Administrative Tools, and then click Computer Management.
In the console tree, click the Local Users and Groups node.
In the details pane, double-click the Groups folder.
Double-click Remote Desktop Users, and then click Add.
In the Select Users dialog box, click Locations to specify the search location.
Click Object Types to specify the types of objects that you want to search for.
In the Enter the object names to select (examples) box, type the name you want to add.
Click Check Names.
When the name is located, click OK.