Hey there! We are keeping an eye on this and will let you know when the fix is in!
Mojang Status
 @MojangStatus
8 Dec 2020
We are aware that some players are having issues joining Realms right now. We’ll let you know when this is resolved!
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how long does it usually take to get an email to reset a password? or to get the email for a support ticket?
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Replying to @Milf_Jake
To keep your information secure, please complete our request form at help.minecraft.net/hc/en-us/… so we can quickly and safely assist with your question! ^RL

Dec 8, 2020 · 9:50 PM UTC

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Replying to @MojangSupport
I did that. What I'm asking is how long it usually takes for a reply on said request help form.