The White House this week will attempt to manage the fallout from hastily arranged U.S.-Russian talks on Ukraine, which produced no breakthrough in the standoff between the Obama administration and the Kremlin over the Eastern European nation.

And on the home front, the White House will make a final push to sign up more Americans for Obamacare on the final day before individuals are penalized for not obtaining health insurance -- unless consumers contend they had technical difficulty signing up.

The combination of the Ukrainian crisis and the Obamacare pitch will have enormous influence on President Obama's legacy and how effectively he is able to manage his final years in office.

The White House has struggled to deter Russian President Vladimir Putin from continuing to threaten Ukraine in the wake of the Kremlin annexing Crimea.

Secretary of State John Kerry met with his Russian counterpart, Sergey Lavrov, in Paris on Sunday -- a meeting initiated after Putin agreed on the need for a diplomatic solution to Ukraine.

However, both sides emerged from the talks no closer to a solution, and U.S. officials remain concerned that the Kremlin will initiate additional incursions into Ukraine.

Russia on Sunday argued that Ukraine should become a loose federation, a demand that Kerry said could not be met without approval from the central government in Kiev.

As for Obamacare, the administration has been playing catch up on enrollments ever since the botched rollout of the president’s signature domestic achievement.

The administration announced in recent days that more than 6 million people had signed up for Obamacare. While an uptick in enrollment, the White House still can't say how many people have paid their first month's premium or whether they were previously uninsured.

The administration originally set a goal of 7 million signups by the end of March, and in the final hours of enrollment, it’s still unclear whether they will hit that mark. was down for maintenance Monday morning, the latest technical glitch to plague the Obamacare enrollment effort.

Also this week, Obama will host the Boston Red Sox at the White House Tuesday to honor their 2013 World Series championship.

On Wednesday, the president heads to Ann Arbor, Mich., where he will hold an event to call for an increase in the minimum wage. Later that day, he'll attend fundraisers in Chicago.

The president and first lady Thursday will host U.S. members and delegations from the 2014 Sochi Olympics.

And on Friday, the president welcomes Tunisian Prime Minister Mehdi Jomaa to the White House.