Answers.Body: <p>Others have said what the problem is, but in the interest of clarity for future readers...</p>
  
  <p><strong>Cause</strong>: The database is expecting a newer version of Craft's filesystem than you have.</p>
  
  <p><strong>Solution</strong>: Replace the /app folder with one from a fresh Craft download and visit your admin trigger URL</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-08-09T07:54:16.720Z
Answers.LastActivityDate: 2017-08-09T07:54:16.720Z
Answers.UserDisplayName: Matt Wilcox
Answers.Body: <p>Based on <a href="https://craftcms.stackexchange.com/questions/21489/help-my-site-is-temporarily-unavailable-huh/21491?noredirect=1#comment29711_21491">your comments</a> to @benface, I believe your database is using a version of Craft ahead of your files.</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-08-09T03:41:00.323Z
Answers.LastActivityDate: 2017-08-09T03:41:00.323Z
Answers.UserDisplayName: Stephen Callender
Answers.Body: <p>Try going to /admin, you should get a clearer error message.</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-08-08T18:42:18.320Z
Answers.Text: No joy.  I just get the following    Oops! Craft CMS does not support backtracking to this version. Please upload Craft CMS 2.6.2988 or later.   ...I should note that I had changed my admin page to a different name, this is the error I get when I go to the renamed admin page.
Answers.UserDisplayName: Hellyar
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-08-08T18:44:21.293Z
Answers.Text: I believe that means your database is using a version of Craft ahead of your files.
Answers.UserDisplayName: Stephen Callender
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-08-08T18:48:45.137Z
Answers.Text: Yep, that is what I forgot to check.
Answers.UserDisplayName: Hellyar
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-08-08T19:03:37.010Z
Answers.Text: @Stephen Callender had it correct... I forgot to check if the Craft versions matched. They did not.
Answers.UserDisplayName: Hellyar
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-08-08T18:36:53.670Z
Answers.LastActivityDate: 2017-08-08T18:36:53.670Z
Answers.UserDisplayName: benface
Body: <p>I get "Service Unavailable" when I go to my (hosted, not local) test site. </p>
  
  <p>It had been working just fine until I decided to swap databases today.</p>
  
  <p>I deleted the old database and replaced it with the new database.  I kept the database name the same.  I changed the username and password in cPanel and then duplicated those changes in my craft/db.php file... But no dice...  I get the nice little warning:</p>
  
  <blockquote>
    <p><strong>Service Unavailable</strong> </p>
    
    <p>Our site is temporarily unavailable.  Please try again later.</p>
  </blockquote>
  
  <p>I have checked more than once, the path, db name, username and password all check out.  Any suggestions?  ...other than start over</p>
  
Tags: <installation>
Title: Site is "Temporarily Unavailable"
ThreadText: # Site is "Temporarily Unavailable"
  
  (Asked by: username_0 on 2017-08-08)
  
  I get "Service Unavailable" when I go to my (hosted, not local) test site.
  
  It had been working just fine until I decided to swap databases today.
  
  I deleted the old database and replaced it with the new database. I kept the database name the same. I changed the username and password in cPanel and then duplicated those changes in my craft/db.php file... But no dice... I get the nice little warning:
  
  > **Service Unavailable**
  >
  > Our site is temporarily unavailable. Please try again later.
  
  I have checked more than once, the path, db name, username and password all check out. Any suggestions? ...other than start over
  
  **Tags:** installation
  
  
  ---
  
  ## 3 answers
  
  ### Answer by username_1 on 2017-08-09. Score: 5 | Accepted answer
  
  Others have said what the problem is, but in the interest of clarity for future readers...
  
  **Cause**: The database is expecting a newer version of Craft's filesystem than you have.
  
  **Solution**: Replace the /app folder with one from a fresh Craft download and visit your admin trigger URL
  
  
  ---
  
  ### Answer by username_2 on 2017-08-09. Score: 2
  
  Based on [your comments](https://craftcms.stackexchange.com/questions/21489/help-my-site-is-temporarily-unavailable-huh/21491?noredirect=1#comment29711_21491) to @username_3, I believe your database is using a version of Craft ahead of your files.
  
  
  ---
  
  ### Answer by username_3 on 2017-08-08. Score: 1
  
  Try going to /admin, you should get a clearer error message.
  
  > **Comments:**
  > **username_0**: No joy.  I just get the following    Oops! Craft CMS does not support backtracking to this version. Please upload Craft CMS 2.6.2988 or later.   ...I should note that I had changed my admin page to a different name, this is the error I get when I go to the renamed admin page.  
  > **username_2**: I believe that means your database is using a version of Craft ahead of your files.  
  > **username_0**: Yep, that is what I forgot to check.  
  > **username_0**: @username_2 had it correct... I forgot to check if the Craft versions matched. They did not.  
  
  ---
  
  