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Troubleshooting network configurations

From: Creating and Managing a Blog Network with WordPress

Video: Troubleshooting network configurations

Okay, now I have got my WordPress Multisite installation finished and theoretically everything is configured correctly. However, I know that in some cases you may run across some errors. So let's take a look at some of the more common errors and how you can fix them. First of all, you might get an error message telling you that the network cannot be enabled. This occurs when the Site URL is different from the Home URL inside of WordPress. In order to fix that, simply go into your Settings, choose General, and make sure that the Home URL field and the Site URL field are identical. If they're not, change them to be identical.

Troubleshooting network configurations

Okay, now I have got my WordPress Multisite installation finished and theoretically everything is configured correctly. However, I know that in some cases you may run across some errors. So let's take a look at some of the more common errors and how you can fix them. First of all, you might get an error message telling you that the network cannot be enabled. This occurs when the Site URL is different from the Home URL inside of WordPress. In order to fix that, simply go into your Settings, choose General, and make sure that the Home URL field and the Site URL field are identical. If they're not, change them to be identical.

If your Site URL is a localhost, you will notice that you are only able to use subdirectories. So unfortunately if you are trying to use subdomains on a localhost install of WordPress Multisite, it's not going to work. You will have to switch this install type over to a subdirectory install. If your Site URL is an IP address, you are only able to use subdirectories. Therefore if you are using a web server for development purposes and it only has an IP address versus a domain, you are not going to be able to use the subdomain install. You will have to revert to subdirectories.

If you have WordPress installed inside of a folder versus the root directory, you will only be able to use subdirectories as well. Therefore, if you have your WordPress installation set up at mydomain.com/something, you'll only be able to use subdirectory installs for that WordPress Multisite installation. If your install happens to be more than 30 days old, you will only be able to use the subdomain installation process. Therefore, if you are trying to use subdirectories and you installed WordPress like two months ago, you are not going to be able to do that.

You are only going to be able to utilize the subdomain installation method. Finally, and this is the one that I have run across most often, you've incorrectly configured your wildcard domains. Let me show you exactly what I mean by this. If I go back into my WordPress Multisite installation and I go to create a new site, I'll go up to My Sites > Network Admin and I'll choose Sites. Inside of the Sites area, I'll simply hit Add New and I'll fill in this information really quickly.

When I click Add Site, theoretically I've just added a new site to my dashboard. However, if I go into Edit Site and then click on the link to that site, you are going to notice that I get a 404 page. This can be very frustrating and this is something that took me a long time to figure out exactly what was going on. So exactly what was going on? Well, let me jump into my cPanel and I'll show you. Once I'm inside of my cPanel, I'll simply scroll down and find my subdomains.

When I find my subdomains you're going to notice that the subdomain I created earlier is exactly like it should be, except for one small detail. That's right here in the Document Root. You will notice the document root points to my public HTML folder. It doesn't actually point to the folder where my domain is housed. If I need to change this, which I do, I click this little Edit icon, and now instead of public_html, I simply append a slash and then my domain name. Now I'll hit Change.

It updates my Document Root and I'll hit OK. Now if I jump back over into WordPress, I'll go and Add a New site. Once I click Add Site, I'll then go to All Sites. You will notice here there is my new testing2. If I open this up to visit the site, everything works flawlessly just as it should. So when you are creating your wildcard subdomains inside of your cPanel, be sure to change that Document Root of your subdomain.

That way, it points the right location and you can easily create sites here inside of your WordPress installation. Hopefully this has given you a better idea on how to troubleshoot some of those nasty little errors that you might get when you are installing the WordPress Multisite feature. If you need any extra help with errors that might be kicked back to you during the installation process, visit the WordPress Codex at codex.wordpress.org.

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This video is part of

Image for Creating and Managing a Blog Network with WordPress
Creating and Managing a Blog Network with WordPress

49 video lessons · 11329 viewers

Justin Seeley
Author

 
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  1. 47s
    1. Welcome
      47s
  2. 16m 30s
    1. Introducing multisite
      2m 40s
    2. Common use cases for multisite
      6m 24s
    3. Understanding multisite server requirements
      1m 40s
    4. Optimizing your hosting environment
      3m 52s
    5. Using subdomains vs. subdirectories
      1m 54s
  3. 22m 34s
    1. Enabling the Network feature
      2m 26s
    2. Installing your network
      7m 13s
    3. Troubleshooting network configurations
      4m 4s
    4. Disabling your network installation
      2m 44s
    5. Changing your install type
      3m 23s
    6. Removing the blog permalink
      2m 44s
  4. 46m 27s
    1. Getting to know the network admin interface
      2m 40s
    2. Configuring the network
      6m 2s
    3. Creating your first site
      5m 25s
    4. Managing your user database
      8m 14s
    5. Installing and enabling themes
      7m 16s
    6. Enabling themes on a per-site basis
      3m 56s
    7. Defining a site-wide default theme
      3m 12s
    8. Installing and activating plug-ins
      6m 16s
    9. Updating your network installation
      3m 26s
  5. 29m 15s
    1. Setting up user permissions
      3m 31s
    2. Defining the registration process
      3m 8s
    3. Controlling access to sites
      2m 43s
    4. Importing users from another blog
      3m 52s
    5. Understanding user roles
      3m 39s
    6. Changing user roles on signup
      2m 58s
    7. Exploring blog privacy settings
      6m 1s
    8. Enabling features for site administrators
      3m 23s
  6. 38m 22s
    1. Displaying posts from network sites on the home page
      7m 45s
    2. Displaying a list of your networked sites
      4m 9s
    3. Broadcasting news across all sites
      8m 22s
    4. Gathering and using comments network-wide
      5m 13s
    5. Creating and using global tags and categories
      4m 33s
    6. Exploring network plug-ins
      8m 20s
  7. 17m 18s
    1. Introducing domain mapping
      1m 58s
    2. Using parked or add-on domains
      3m 24s
    3. Altering DNS records
      2m 15s
    4. Installing the domain mapping plug-in
      3m 18s
    5. Mapping a domain to a specific site
      2m 58s
    6. Hiding the original domain name
      3m 25s
  8. 33m 28s
    1. Understanding the importance of backing up your web site
      2m 4s
    2. Exploring backup plug-ins
      2m 23s
    3. Installing and configuring BackupBuddy
      8m 29s
    4. Migrating a standalone site into your network
      3m 24s
    5. Migrating an entire network
      7m 41s
    6. Scheduling backups with BackupBuddy
      3m 43s
    7. Remotely storing your backups
      5m 44s
  9. 28s
    1. Final thoughts
      28s

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