Im trying to install Plex off the videos for my new 920+. when I try to open the Plex app after the download, I get a 400, bad request. error code.
By the way, I know nest to nothing about computers, just following your guide.. Thanks

First of all, thank you Rob... for being a real good and genuine bloke, wanting to help people.
Ideally Id rather talk to you instead of writing everything but I will try to cram everything in this post.
The project Im working on is pretty much geared towards helping people as well and I really could use some help reaching my goals.
I have done "a ton" of research but Im really stuck right now. The more I learn the more questions I tend to have so I have decided to stop learning about these things as Im really not computer "savy". 
As a research student, I need to have my own WebDAV folder so that I am able to sync my files via Windows, android phone and mainly Ipad directly to my own WebDAV server acting as my own "cloud" stored in my own home instead of a lets say dropbox, icloud ect which is out of my hands.
The closest I came was being able to set it up via Windows IIS + Publishing + Using SSL certificate to ensure I can be on the HTTPS version ect
BUT
that seems to be VERY weak in terms of security according to alot of posts it is easy to get into as long as the IP is known via commands on a Linux forexample. Besides, that would mean my WebDAV folder is ON my computer which makes it a bad idea for backups.
Thats when I came to the NAS world. Soon finding out about the the security weaknesses of QNAP so my focus quickly got shifted towards Synology and Asustor... Mainly looking at the 923+/1522+ or the Lockerstor 4 Gen2 (before hearing your suggestions of course), not that I need 4-5 bays but my "ton of research" shows its just a bad idea buying a 2-bay NAS for many reasons including RAID options. Later it seemed Asustor is struggling with WebDAV as some users report connection errors ect... I personally dont like the "proprietary apple-like" approach Synology seems to have so I wanted to like the Asustor. Now bear in mind Im not completely clear on what WebDAV even is besides its generic definition of being part of the HTTP protocol. Some of my million questions are:
1. What NAS solution has the best WebDAV implementation?
2a. Why does Synology when writing about WebDAV say we must use additional programs like Cyberduck + spesify DNS server?
2b. Why cant WebDAV just be an address like https://YOURIP:YOURPORT/Webdavfolder ? why does it need a domain as in a DNS server?
the DNS server is its domain, right? Or am I confused about that?
3. What RAID would you use for a single user? Im between RAID 10 and 6... RAID 10 seem to not be upgradable which is the only reason Im unsure about it. IF there existed NAS solutions with SAS controller also included, I would use RAID 1 then have 2 disks one being a good Toshiba SAS and then another being a good SATA from another brand, decreasing the chance of 2 disk failures at the same time. What is the next best option to this?
Even if I bought 3-4 disk of the same type.. I would make sure each come from a different batch. Which my research shows important. You have been a large part of my research btw
4. Is NAS the only "non-windows" way of getting WebDAV ?
5. It seems a VPN can increase the security of a NAS/WebDAV in general... why and in what way does a VPN do that if the connection is encrypted via HTTPS to begin with? From my weak understanding, can it be relevant in the port forwarding process? As in the router port forwards ONLY to 1 STATIC IP of the VPN... so whether on the phone, windows or IPAD... as long as they are all accessing the NAS/WebDAV via that spesific IP, it works while blocking all other IP addresses? Am I completely wrong in my thought process? Please correct me. 
6. What NAS "features" play less of a role if there is going to be 1 or at least less than 3 users EVER, connected to it. Ive been thinking that it would be such a waste NOT upgrading RAM lets say on ANY NAS or add like a NVME cache to it... 
7. Last question (for now), can a NAS be divided into sections? Lets say there is 8 TB of available storage... 4TB is used for the WebDAV folder (having its own password).... 4TB is used for backup of lets say computer/phone (having its own password, which I assume would be root access to the NAS).

I really have a million questions but I have to stop here in respect for you. I also did all that research to try not to waste your time before posting.
Thanks a million Rob !!

PS: I subscribe/support/follow you online.

I was waiting for at least the last yr for the 720 upgrade to come out. I love Synology, want to stay... but need to upgrade my DS211.

I wanna stay 2 bay but have expansion, spec the thing up as high as I can for performance gear... NVMe, max RAM, etc.

I also have a couple of ip cams - but they are nice to have instead of need.

Should I wait hoping for 2023... or go another brand?

I even logged a Synology support ticket... they can't share any roadmap unfortunately ?

First of all thanks a lot for this amazing and complete website ! I found so many valuable informations already, especially to help a canadian research station for their backup system ??

My needs are a bit more unique hence my enquiry. I'm a photographer, video and podcast editor and traveller. I have been working on 2.5" HD for the past decades with the constant fear of losing datas even though my work is at least backed up on 2 HD while traveling... I've got too many hard drives now and it's time to invest in another solution !
The dream would be to have a unit back home so I can backup everything I need on it, but also to have access from the other side of the world if I need a specific file.
I would love to be able to provide an access to customers but this is not my prime concern atm.
I think a NAS is the way to go but not sure if it will be what I need so don't want to invest too much on it (maybe a 2 bays NAS)

Can't wait (and thanks!) to have your inputs!

Currently I have an old Netgear ReadyNas Ultra 6 Plus which is dying and I'm looking to replace it. In terms of my use case, currently I store all my media in the NAS with my computer serving as the Plex Server. Moving forwards, I intend have having the NAS functioning mostly as Media/Data storage (with my Mac continue to run Plex) and Time Machine back ups. Right now, my network is still 1GB but I am looking to upgrade it to 10GB soon. I am looking for a NAS that is fast enough so it can fully saturated the full 10GB connection, so it would feel the same as a USB4 SSD hdd. Currently, I'm looking at the Synology DS1621+ or DS1522+ filling it with WD 16TB Ultrastar HDD He16 or Toshiba Enterprise 16TB MG08ACA16TE drives (any preference on these two drives?). I'm afraid of security issues hence didn't consider QNAP. As the 1522+ is newer is it better than 1621+ with the exception of 1 drive short? Would they be able to fully saturate 10GB connection? Most appreciate your advice.

Hi, should one defrag RAID drives? My Perfectdisk install can't see a RAID drive, so I presume an app will need to be installed on the NAS?
Thanks David

Hello and thank you for all your work / video on YouTube. I'll be sure to use your affiliate links to order the NAS and drives.

I'm looking for a 2 bay NAS to replace WD. Its for home and I want to be able to save files , and have as well as have automatic backup to the NAS from Windows 10/11.
2) I currently run Plex server on my main desktop PC would much rather run Plex on the NAS and store my media files there too. Plex would run to devices in ourh home only.

From your videos I'm looking between Asustor and Synology but what is stopping me from moving forward is which CPU is the best

Would the Asustor Nimbustor AS5202T work or should I step up to a AS6702T (Lockerstor 2 -gen 2) ? Or would you recommend a specific Synology product? I know Synology is getting strange on using their memory/drives

Thanks so much, Doug

I want to build an excellent NAS Server for my home network with as friendly a budget as possible.

Saw your review about using non-Synology HDDs in the 22+ series and DSM 7.1.

Do you know if the RS1221+ will support the WD Red Pro 18, 20, and 22TB drives?

Don't want to order 8 of them to find that they won't be supported at all. I'm OK (not really) with the unverified warning.

Thanks!

Eric

We need a solution to store video for FCPX editing & video archive, 4 time machines and the occasional VM - we'd love to backup iOS devices also. We have a rack with 10GB switch (MikroTik CRS312-4C+8XG-RM), 1GB leased line + 6GB Netgear SXK80 mesh & M2 MBPs. Currently have 1x Seagate ST16000NM001G Exos X16 + 4x old 4TB WD Red NAS WD40EFAX that we'd like to use initially & swap out over time. We currently have 14TB & growing of mainly video on Dropbox, but we'd like a local copy. If not rack mount now we would like to later move this NAS to second building and use as high availability backup to a future rack mount unit - when funds permit. Torn between RS422+ (for DSM, SHR & Btrfs), QNAP TS-431XeU (for better hardware specs), DS923+ (best bits of RS422 & 331, but won't fit in rack) & DS1522+ (for increased capacity, but no NVMe Storage Pools & greater cost) or is there a better option?