Welcome to the forums Ragnar.
To increase the number of simultaneous connections that are allowed, follow these steps:
1 Start the Registry Editor
2 Go to HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Internet Settings
3 Select New > DWORD Value from the Edit menu
4 Name the new value MaxConnectionsPer1_0Server
5 Right-click the MaxConnectionsPer1_0Server value and choose Modify
6 Under Base, click the radio button next to Decimal
7 In the Value Data: box enter the number of simultaneous connections you want to set (for example 10 is a good value), and click OK
8 Repeat steps 3 - 7 using the new value maxConnectionsPerServer
9 Exit the registry editor
To increase the number of simultaneous connections that are allowed, follow these steps:
1 Start the Registry Editor
2 Go to HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Internet Settings
3 Select New > DWORD Value from the Edit menu
4 Name the new value MaxConnectionsPer1_0Server
5 Right-click the MaxConnectionsPer1_0Server value and choose Modify
6 Under Base, click the radio button next to Decimal
7 In the Value Data: box enter the number of simultaneous connections you want to set (for example 10 is a good value), and click OK
8 Repeat steps 3 - 7 using the new value maxConnectionsPerServer
9 Exit the registry editor