How do I get MLB.TV working after switching from Cox to DISH?
Answer
Sign out of MLB on every device, sign back in, and choose DISH as the TV provider instead of Cox. Then confirm your DISH package actually includes the channel carrying the game—provider login can succeed while playback still fails if that network is not in your plan.
Follow these steps
Sign out of MLB on all devices
Open the MLB app or MLB.TV site on each TV, phone, tablet, and browser you use and sign out. This clears the old Cox provider session so DISH can be selected cleanly.
You should see: All devices show a signed-out or choose-provider state.
Sign in and choose DISH as the TV provider
Sign in again with your MLB account if required, then select DISH (not Cox) when asked for your TV provider. Complete DISH authentication on the official provider login page.
You should see: MLB shows DISH as the linked TV provider.
Confirm the DISH plan includes the needed channel
Check your DISH channel lineup for the network airing the game. Provider authentication can succeed while playback still fails if that channel is not in your package or the game is blacked out in your area.
You should see: You know whether the issue is account linking or missing channel rights.
Clear a stuck provider login loop
If DISH login loops or keeps asking again, clear the browser cookies/cache or use a private window, then retry provider authentication. On apps, force-close MLB and sign in once more.
You should see: Provider login completes without looping, or you see a clear entitlement/blackout message.
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Extra tips
What to look for: TV provider selection for Cox versus DISH, repeated provider login loops, and whether specific regional or national games are blacked out or missing from the package.
Before you change anything: Have your DISH account username and password ready. Know whether you bought a standalone MLB.TV subscription or relied on TV-provider authentication. Clear old Cox sessions before linking DISH. Never share account passwords or codes with unexpected callers.