New Post: website admin unable to use the back office after upgrade 2.3.5

This would happen if for some weird reason the menu.xml did not get overwritten during the upgrade.

Don't change the manager or editor role settings.

If you are running multiple stores on the same instance, go as host to the admin > settings tab in the back office and there should be a button to upgrade all stores on the instance.

If there is only one store then your next step is to import the menu.xml template from the managermenu.xml or you could just copy and paste the one I'll paste here:

Restart your DNN app after applying it.

<root version="02.02.02">
  <tabs>
    <tab id="Dashboard" text="Dashboard" image="~/DesktopModules/NB_Store/img/tabmenu/Dashboardtab.png"  ctl="AdminDashboard" param="" roles="Administrators,Manager,Sales,Finance">
      <subtab text="Dashboard" image="~/DesktopModules/NB_Store/img/tabmenu/Dashboardtab.png"  ctl="AdminDashboard" param="" />
      <subtab text="Reports" image="~/DesktopModules/NB_Store/img/tabmenu/Report.png"  ctl="AdminReport" param="" />     
    </tab>
    <tab id="Catalog" text="Catalog" image="~/DesktopModules/NB_Store/img/tabmenu/catalogtab.png"  ctl="AdminProduct" param="" roles="Administrators,Manager,Sales">
      <subtab text="Products" image="~/DesktopModules/NB_Store/img/tabmenu/ProductTab.png"  ctl="AdminProduct" param="" />
      <subtab text="Categories" image="~/DesktopModules/NB_Store/img/tabmenu/CategoriesTab.png"  ctl="AdminCategories" param="" />
      <subtab text="Stock" image="~/DesktopModules/NB_Store/img/tabmenu/StockTab.png"  ctl="AdminStock" param="" />
    </tab>
    <tab id="Orders" text="Orders" image="~/DesktopModules/NB_Store/img/tabmenu/orderstab.png" ctl="AdminOrders" param="" roles="Administrators,Manager,Sales,Finance">
      <subtab text="Orders" image="~/DesktopModules/NB_Store/img/tabmenu/orderstab.png" ctl="AdminOrders" param="" />
      <subtab text="Clients" image="~/DesktopModules/NB_Store/img/tabmenu/clienttab.png" ctl="AdminClients" param="" roles="Administrators,Manager" />
    </tab>
    <tab id="Shipping" text="Shipping" image="~/DesktopModules/NB_Store/img/tabmenu/shippingtab.png" ctl="AdminShipMethod" param="" roles="Administrators,Manager">
      <subtab text="Method" image="~/DesktopModules/NB_Store/img/tabmenu/shippingtab.png" ctl="AdminShipMethod" param="" />
      <subtab text="By Weight" image="~/DesktopModules/NB_Store/img/tabmenu/byweighttab.png" ctl="ShipRates" param="spg=wei" />
      <subtab text="By Price" image="~/DesktopModules/NB_Store/img/tabmenu/bypricetab.png" ctl="ShipRates" param="spg=prc" />
      <subtab text="By Quantity" image="~/DesktopModules/NB_Store/img/tabmenu/byquantitytab.png" ctl="ShipRates" param="spg=qty" />
      <subtab text="By Country" image="~/DesktopModules/NB_Store/img/tabmenu/bycountrytab.png" ctl="ShipRates" param="spg=cou" />
      <subtab text="By Product" image="~/DesktopModules/NB_Store/img/tabmenu/byproducttab.png" ctl="ShipRates" param="spg=prd" />
      <subtab text="Free Limit" image="~/DesktopModules/NB_Store/img/tabmenu/freelimittab.png" ctl="ShipRates" param="spg=fre" />
    </tab>
    <tab id="Taxes" text="Taxes" image="~/DesktopModules/NB_Store/img/tabmenu/taxtab.png" ctl="TaxRates" param="spg=set" roles="Administrators,Manager">
      <subtab text="Defaults" image="~/DesktopModules/NB_Store/img/tabmenu/taxdefaulttab.png" ctl="TaxRates" param="spg=set" />
      <subtab text="Category Level" image="~/DesktopModules/NB_Store/img/tabmenu/taxCategorytab.png" ctl="TaxRates" param="spg=cat" />
      <subtab text="Product Level" image="~/DesktopModules/NB_Store/img/tabmenu/taxproducttab.png" ctl="TaxRates" param="spg=prd" />
    </tab>
    <tab id="Promotions" text="Promotions" image="~/DesktopModules/NB_Store/img/tabmenu/discountstab.png" ctl="AdminPromo" param="spg=cou" roles="Administrators,Manager,Sales">
      <subtab text="Coupons" image="~/DesktopModules/NB_Store/img/tabmenu/vouchertab.png" ctl="AdminPromo" param="spg=cou" />
      <subtab text="Category Discounts" image="~/DesktopModules/NB_Store/img/tabmenu/disccategorytab.png" ctl="AdminPromo" param="spg=sto" />
      <subtab text="Cart Discounts" image="~/DesktopModules/NB_Store/img/tabmenu/disccategorytab.png" ctl="AdminPromo" param="spg=car" />
    </tab>
    <tab id="Utilities" text="Utilities" image="~/DesktopModules/NB_Store/img/tabmenu/utilitiestab.png" ctl="AdminSetting" param="etmode=0" roles="Administrators,Manager">
      <subtab text="Settings" image="~/DesktopModules/NB_Store/img/tabmenu/settingstab.png" ctl="AdminSetting" param="etmode=0" />
      <subtab text="Templates" image="~/DesktopModules/NB_Store/img/tabmenu/templatestab.png" ctl="AdminSetting" param="etmode=1" />
      <subtab text="Export" image="~/DesktopModules/NB_Store/img/tabmenu/exporttab.png" ctl="AdminBackup" param="spg=bck" roles="SuperUsers" />
      <subtab text="Import" image="~/DesktopModules/NB_Store/img/tabmenu/importtab.png" ctl="AdminBackup" param="spg=res" />
    </tab>
    <tab id="Admin" text="Admin" image="~/DesktopModules/NB_Store/img/tabmenu/hosttab.png" ctl="AdminHost" param="" roles="Administrators">
      <subtab text="Admin" image="~/DesktopModules/NB_Store/img/tabmenu/hosttab.png" ctl="AdminHost" param="" />
      <subtab text="Help" image="~/DesktopModules/NB_Store/img/tabmenu/helptab.png" ctl="HELP" param="" />
    </tab>
    <tab id="Exit" text="Exit" image="~/DesktopModules/NB_Store/img/tabmenu/exittab.png" ctl="EXIT" param=""></tab>
  </tabs>
    <css menudiv="NBright_MenuDiv" titlediv="NBright_MenuTitleDiv" tabdiv="NBright_ui-tabs" subtabdiv="NBright_ui-subtabs" tabul="NBright_ui-tabs-ul" tabli="" tabliactive="NBright_ui-tabs-selected" subtabul="" sublitabli="" sublitabliactive=""></css>
    <skin path="~/DesktopModules/NB_Store/Skins/Dark/Dark"></skin>
  <resx name="MenuManager.ascx"></resx>
  <enterbutton cssdiv="NBright_ButtonDiv" css="dnnPrimaryAction NBright_EnterButton"  resourcekey="cmdBackOffice" defaultctrl="AdminDashboard"></enterbutton>
</root>