Encountering this issue 100% of the time.
Minecraft dedicated server (Bedrock).
I built a nether portal to explore the nether. This works fine. My friends joined the server, and built their own Nether portal. To their surprise, they ALWAYS came into the Nether through the same portal we came in with.
To our further surprise, when they came out of the Nether through the portal they came in with another time, they came out of a NEW portal that was generated about 100 blocks from the original portal that I had created. There are now 2 nether portals near my original location, and when the one the server generated gets destroyed / disabled, the server ALWAYS generates an additional portal as close as it can to the undesired portal location.
In short:
We have 2 user created Nether portals ~300-350 blocks apart. They both link to the same portal in the nether. When the portal in the underworld is used, it ALWAYS sends us back to a NEW portal the server creates, about 100m from the first player created portal. Attempts to destroy the server created portal result it being regenerated when a user comes back from the underworld.
Attached are:
2 user created portals (1 unlit, one with snow on it)
1 Server generated portal. Observe the obsidian from the portals we destroyed when trying to work around this bug.
Link to .zip backup of world: https://1drv.ms/u/s!AvzUjoCiXaakmJsVHm-QVYBEFDYRSQ?e=0c0ePe
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Auldrick
Thank you for your report!
We're tracking this issue as MCPE-39609, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as working as intended, which means this is not considered a bug and won't be fixed. Please do not leave a comment on the linked ticket.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
In this specific case, the explanation goes as follows:
The first overworld portal (I'll call it O1) corresponded to a partially obstructed position in the Nether, so the game built a nether-side portal (N1) slightly offset from the nominal position. It was close enough that it could return to O1, though.
The second overworld portal (O2) corresponded to a position deep inside solid netherrack, but N1 was within 128 blocks of the nominal position so O2 linked to N1.
Returning to the overworld via N1 should have linked back to O1, and when I tested it with O1 ignited it did, so at some point you must have tried to return via N1 while O1 was extinguished. Since there was no longer any overworld portal within 128 blocks of where N1 wanted to return, the game created an overworld portal (O3) as close as possible to the overworld coordinates corresponding to N1. (O3 is the portal next to the fence.)
Once O3 was created, it became the closest overworld portal to N1's corresponding coordinates in the overworld, so even after you reignited O1, N1 still returned to O3.
To solve this problem, you need to build a new portal N2 in the Nether closer than N1 is to O2's corresponding coordinates. O2 is at approximately 497, 91, 666, so its corresponding nether coordinates are 62, 91, 83. That's deep inside solid netherrack, so you'd have to dig a tunnel and make a room to put N2 in, and if you go to that much trouble, O2 and N2 will reliably link to each other forever, no matter what you build later. You don't necessarily have to do all that digging, though. There's a ledge above N1 where you can get close enough to link back to O2. If you break O3, go to the Nether, and build N2 at 62, 88, 68, O2 and N2 will link to each other reliably at least until you try to add another portal in the area, in either the overworld or the nether.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Mojang Support – ✍️ Feedback and Suggestions – 📖 Game Wiki
Auldrick
Thank you for your report!
We're tracking this issue as MCPE-39609, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as working as intended, which means this is not considered a bug and won't be fixed. Please do not leave a comment on the linked ticket.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
In this specific case, the explanation goes as follows:
The first overworld portal (I'll call it O1) corresponded to a partially obstructed position in the Nether, so the game built a nether-side portal (N1) slightly offset from the nominal position. It was close enough that it could return to O1, though.
The second overworld portal (O2) corresponded to a position deep inside solid netherrack, but N1 was within 128 blocks of the nominal position so O2 linked to N1.
Returning to the overworld via N1 should have linked back to O1, and when I tested it with O1 ignited it did, so at some point you must have tried to return via N1 while O1 was extinguished. Since there was no longer any overworld portal within 128 blocks of where N1 wanted to return, the game created an overworld portal (O3) as close as possible to the overworld coordinates corresponding to N1. (O3 is the portal next to the fence.)
Once O3 was created, it became the closest overworld portal to N1's corresponding coordinates in the overworld, so even after you reignited O1, N1 still returned to O3.
To solve this problem, you need to build a new portal N2 in the Nether closer than N1 is to O2's corresponding coordinates. O2 is at approximately 497, 91, 666, so its corresponding nether coordinates are 62, 91, 83. That's deep inside solid netherrack, so you'd have to dig a tunnel and make a room to put N2 in, and if you go to that much trouble, O2 and N2 will reliably link to each other forever, no matter what you build later. You don't necessarily have to do all that digging, though. There's a ledge above N1 where you can get close enough to link back to O2. If you break O3, go to the Nether, and build N2 at 62, 88, 68, O2 and N2 will link to each other reliably at least until you try to add another portal in the area, in either the overworld or the nether.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Mojang Support – ✍️ Feedback and Suggestions – 📖 Game Wiki