Failover internet connection on Windows server

Hello,
Is it possible on Windows server if i have two internet connections connected from different ISP's(with Different IP's) and two NIC cards are connected, if one of the
internet connection(Primary) goes down , the other one(secondary) replaces automatically. And similarly primary should take over once it is back online again. I am using windows server 2008 R2.As far as i know windows server allow only one gateway.
 Is there any solution?  Thanks.

Hi,
It is recommended to configure only one default gateway on any multihomed computer. Because the default gateway is a global configuration for the server, not a setting that set for each network adapter(NIC).
According to your description, the 2 NICs are connected to different network(with different gateway). If you set default gateway in TCP/IP properties of each NIC, you may open the Command Prompt, type “route print” and hit Enter. 2 default gateway entry
will be listed, no matter which NIC is connected, the server will always choose the first default gateway to transmit packets if the default gateway is available.
If you need to configure 2 default gateway, on one of the NIC’s TCP/IP properties, add the default gateway. Then add a statics route entry for the network which the other default gateway connected to.
Suppose that:
1. The default gateway is 192.168.2.1, and it is connected to another network 192.168.3.0/24.
2. The IP address of the NIC (without default gateway) is 192.168.2.20.
3. Interface number of the NIC is 2(type “route print” to check the number).
4. Metric 30 (set the metric depends on your need).
Then open CMD, type the command line as below and hit Enter:
Route –p add 192.168.3.0 mask 255.255.255.0 192.168.2.1
metric 30 if 2
Then you may use “route print” to check the route table after complete this operation.
Detailed information about Default Gateway Configuration for Multihomed Computers, you may reference the link below:
https://support.microsoft.com/kb/157025/en-us
Best Regards,           
Eve Wang   

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