diff --git a/server/db/migrations-sqlite/2.0.0-rc.2.js b/server/db/migrations-sqlite/2.0.0-rc.2.js
index b5df6e3f..4bfd5986 100644
--- a/server/db/migrations-sqlite/2.0.0-rc.2.js
+++ b/server/db/migrations-sqlite/2.0.0-rc.2.js
@@ -2,7 +2,7 @@ exports.up = knex => {
   return knex.schema
     .dropTable('pageTree')
     .createTable('pageTree', table => {
-      table.increments('id').primary()
+      table.integer('id').primary()
       table.string('path').notNullable()
       table.integer('depth').unsigned().notNullable()
       table.string('title').notNullable()
@@ -20,7 +20,7 @@ exports.down = knex => {
   return knex.schema
     .dropTable('pageTree')
     .createTable('pageTree', table => {
-      table.increments('id').primary()
+      table.integer('id').primary()
       table.string('path').notNullable()
       table.integer('depth').unsigned().notNullable()
       table.string('title').notNullable()
diff --git a/server/db/migrations/2.0.0-rc.2.js b/server/db/migrations/2.0.0-rc.2.js
index 53e584b2..e2427ed9 100644
--- a/server/db/migrations/2.0.0-rc.2.js
+++ b/server/db/migrations/2.0.0-rc.2.js
@@ -1,23 +1,53 @@
+/* global WIKI */
+
 exports.up = knex => {
+  const dbCompat = {
+    charset: (WIKI.config.db.type === `mysql` || WIKI.config.db.type === `mariadb`),
+    selfCascadeDelete: WIKI.config.db.type !== 'mssql'
+  }
   return knex.schema
-    .table('pageTree', table => {
-      table.dropColumn('parent')
-      table.dropColumn('pageId')
+    .dropTable('pageTree')
+    .createTable('pageTree', table => {
+      if (dbCompat.charset) { table.charset('utf8mb4') }
+      table.integer('id').unsigned().primary()
+      table.string('path').notNullable()
+      table.integer('depth').unsigned().notNullable()
+      table.string('title').notNullable()
+      table.boolean('isPrivate').notNullable().defaultTo(false)
+      table.boolean('isFolder').notNullable().defaultTo(false)
+      table.string('privateNS')
     })
     .table('pageTree', table => {
-      table.integer('parent').unsigned().references('id').inTable('pageTree').onDelete('CASCADE')
+      if (dbCompat.selfCascadeDelete) {
+        table.integer('parent').unsigned().references('id').inTable('pageTree').onDelete('CASCADE')
+      } else {
+        table.integer('parent').unsigned()
+      }
       table.integer('pageId').unsigned().references('id').inTable('pages').onDelete('CASCADE')
+      table.string('localeCode', 5).references('code').inTable('locales')
     })
 }
 
 exports.down = knex => {
+  const dbCompat = {
+    charset: (WIKI.config.db.type === `mysql` || WIKI.config.db.type === `mariadb`),
+    selfCascadeDelete: WIKI.config.db.type !== 'mssql'
+  }
   return knex.schema
-    .table('pageTree', table => {
-      table.dropColumn('parent')
-      table.dropColumn('pageId')
+    .dropTable('pageTree')
+    .createTable('pageTree', table => {
+      if (dbCompat.charset) { table.charset('utf8mb4') }
+      table.integer('id').primary()
+      table.string('path').notNullable()
+      table.integer('depth').unsigned().notNullable()
+      table.string('title').notNullable()
+      table.boolean('isPrivate').notNullable().defaultTo(false)
+      table.boolean('isFolder').notNullable().defaultTo(false)
+      table.string('privateNS')
     })
     .table('pageTree', table => {
       table.integer('parent').unsigned().references('id').inTable('pageTree')
       table.integer('pageId').unsigned().references('id').inTable('pages')
+      table.string('localeCode', 5).references('code').inTable('locales')
     })
 }
diff --git a/server/jobs/rebuild-tree.js b/server/jobs/rebuild-tree.js
index 0ce0cb72..81e7ecf4 100644
--- a/server/jobs/rebuild-tree.js
+++ b/server/jobs/rebuild-tree.js
@@ -53,16 +53,7 @@ module.exports = async (pageId) => {
 
     await WIKI.models.knex.table('pageTree').truncate()
     if (tree.length > 0) {
-      const { bindings, sql } = WIKI.models.knex.table('pageTree').insert(tree).toSQL();
-      if (WIKI.config.db.type === 'mssql') {
-        await WIKI.models.knex.raw(sql, bindings).wrap(
-          'SET IDENTITY_INSERT pageTree ON;',
-          'SET IDENTITY_INSERT pageTree OFF;',
-        )
-      } else {
-        await WIKI.models.knex.raw(sql, bindings)
-      }
-      // await WIKI.models.knex.table('pageTree').insert(tree)
+      await WIKI.models.knex.table('pageTree').insert(tree)
     }
 
     await WIKI.models.knex.destroy()
diff --git a/server/models/pages.js b/server/models/pages.js
index 57800bde..24f0aa77 100644
--- a/server/models/pages.js
+++ b/server/models/pages.js
@@ -568,8 +568,8 @@ module.exports = class Page extends Model {
     }
 
     let affectedHashes = []
-    // -> Perform replace and return affected page hashes (POSTGRES, MSSQL only)
-    if (WIKI.config.db.type === 'postgres' || WIKI.config.db.type === 'mssql') {
+    // -> Perform replace and return affected page hashes (POSTGRES only)
+    if (WIKI.config.db.type === 'postgres') {
       affectedHashes = await WIKI.models.pages.query()
         .returning('hash')
         .patch({
@@ -583,7 +583,7 @@ module.exports = class Page extends Model {
         })
         .pluck('hash')
     } else {
-      // -> Perform replace, then query affected page hashes (MYSQL, MARIADB, SQLITE only)
+      // -> Perform replace, then query affected page hashes (MYSQL, MARIADB, MSSQL, SQLITE only)
       await WIKI.models.pages.query()
         .patch({
           render: WIKI.models.knex.raw('REPLACE(??, ?, ?)', ['render', replaceArgs.from, replaceArgs.to])
diff --git a/server/setup.js b/server/setup.js
index a7e561aa..2b254e86 100644
--- a/server/setup.js
+++ b/server/setup.js
@@ -9,7 +9,6 @@ const https = require('https')
 const Promise = require('bluebird')
 const fs = require('fs-extra')
 const _ = require('lodash')
-const cfgHelper = require('./helpers/config')
 const crypto = Promise.promisifyAll(require('crypto'))
 const pem2jwk = require('pem-jwk').pem2jwk
 const semver = require('semver')
@@ -203,14 +202,14 @@ module.exports = () => {
 
       WIKI.logger.info('Creating default groups...')
       const adminGroup = await WIKI.models.groups.query().insert({
-        id: 1,
+        ...(WIKI.config.db.type !== `mssql` && { id: 1 }),
         name: 'Administrators',
         permissions: JSON.stringify(['manage:system']),
         pageRules: JSON.stringify([]),
         isSystem: true
       })
       const guestGroup = await WIKI.models.groups.query().insert({
-        id: 2,
+        ...(WIKI.config.db.type !== `mssql` && { id: 2 }),
         name: 'Guests',
         permissions: JSON.stringify(['read:pages', 'read:assets', 'read:comments']),
         pageRules: JSON.stringify([
@@ -218,6 +217,9 @@ module.exports = () => {
         ]),
         isSystem: true
       })
+      if (adminGroup.id !== 1 || guestGroup.id !== 2) {
+        throw new Error('Incorrect groups auto-increment configuration! Should start at 0 and increment by 1. Contact your database administrator.')
+      }
 
       // Load authentication strategies + enable local
       await WIKI.models.authentication.refreshStrategiesFromDisk()
@@ -244,12 +246,8 @@ module.exports = () => {
 
       // Create root administrator
       WIKI.logger.info('Creating root administrator...')
-      await WIKI.models.users.query().delete().where({
-        providerKey: 'local',
-        email: req.body.adminEmail
-      }).orWhere('id', 1)
       const adminUser = await WIKI.models.users.query().insert({
-        id: 1,
+        ...(WIKI.config.db.type !== `mssql` && { id: 1 }),
         email: req.body.adminEmail,
         provider: 'local',
         password: req.body.adminPassword,
@@ -264,12 +262,8 @@ module.exports = () => {
 
       // Create Guest account
       WIKI.logger.info('Creating guest account...')
-      await WIKI.models.users.query().delete().where({
-        providerKey: 'local',
-        email: 'guest@example.com'
-      }).orWhere('id', 2)
       const guestUser = await WIKI.models.users.query().insert({
-        id: 2,
+        ...(WIKI.config.db.type !== `mssql` && { id: 2 }),
         provider: 'local',
         email: 'guest@example.com',
         name: 'Guest',
@@ -282,11 +276,13 @@ module.exports = () => {
         isVerified: true
       })
       await guestUser.$relatedQuery('groups').relate(guestGroup.id)
+      if (adminUser.id !== 1 || guestUser.id !== 2) {
+        throw new Error('Incorrect groups auto-increment configuration! Should start at 0 and increment by 1. Contact your database administrator.')
+      }
 
       // Create site nav
 
       WIKI.logger.info('Creating default site navigation')
-      await WIKI.models.navigation.query().delete().where({ key: 'site' })
       await WIKI.models.navigation.query().insert({
         key: 'site',
         config: [