Then go to Xbox network settings > Advanced settings > Alternate MAC address > Clear.After that, go to General > Sleep mode & startup > Full shutdown > Shut down > unplug the power cable for 20-30 seconds > plug the power cable back in > turn on your console.Once you go there, take these steps: 1) In the Select Game: section, click on the down arrow game to select Call of Duty: Black Ops Cold War. To check if that’s your case, visit the Activision Online Services page. Next, click on the Link with Account button and follow the onscreen. How to Fix ‘Logging into Online Services’. Game servers may sometimes go down and you cannot connect to online services. Now, log in to your account and then click on PROFILE. Press the Xbox button > Profile > Settings Firstly, go to the website in your web browser.Go to Settings> Network> Test Internet Connection and check connectivity.Turn off your PS4 > press and hold the power button until you hear two beeps> select “Rebuild database/Clear cache and rebuild database.”.Go to Warzone 2.0> Click on the Globe icon> Select the region you are in. How to fix ‘Logging into online services’ bug in Warzone 2.