All SharePoint site template are not supports Multilingual UI (MUI)!

While demonstrating new and cool SharePoint 2010 features to a customer, I wanted to show how easy it is to switch languages on SharePoint 2010 sites, but I was surprised by the following error message:

Figure 1. - This site is based on a site template that does not support alternate languages.

So it seems there are OOTB templates which do not support alternate languages (Supports Multilingual UI). I did some PowerShell magic and here is the list of SharePoint site templates and an indicator that shows if template supports Multilingual UI or not.

Name	Title	Supports Multilingual UI
GLOBAL#0	Global template
STS#0	Team Site
STS#1	Blank Site
STS#2	Document Workspace
MPS#0	Basic Meeting Workspace
MPS#1	Blank Meeting Workspace
MPS#2	Decision Meeting Workspace
MPS#3	Social Meeting Workspace
MPS#4	Multipage Meeting Workspace
CENTRALADMIN#0	Central Admin Site
WIKI#0	Wiki Site
BLOG#0	Blog
SGS#0	Group Work Site
TENANTADMIN#0	Tenant Admin Site
ACCSRV#0	Access Services Site
ACCSRV#1	Assets Web Database
ACCSRV#3	Charitable Contributions Web Database
ACCSRV#4	Contacts Web Database
ACCSRV#6	Issues Web Database
ACCSRV#5	Projects Web Database
BDR#0	Document Center
OFFILE#0	(obsolete) Records Center
OFFILE#1	Records Center
OSRV#0	Shared Services Administration Site
PowerPointBroadcast#0	PowerPoint Broadcast Site
PPSMASite#0	PerformancePoint
BICenterSite#0	Business Intelligence Center
PWA#0	Project Web App Site
PWS#0	Microsoft Project Site
SPS#0	SharePoint Portal Server Site
SPSPERS#0	SharePoint Portal Server Personal Space
SPSMSITE#0	Personalization Site
SPSTOC#0	Contents area Template
SPSTOPIC#0	Topic area template
SPSNEWS#0	News Site
CMSPUBLISHING#0	Publishing Site
BLANKINTERNET#0	Publishing Site
BLANKINTERNET#1	Press Releases Site
BLANKINTERNET#2	Publishing Site with Workflow
SPSNHOME#0	News Site
SPSSITES#0	Site Directory
SPSCOMMU#0	Community area template
SPSREPORTCENTER#0	Report Center
SPSPORTAL#0	Collaboration Portal
SRCHCEN#0	Enterprise Search Center
PROFILES#0	Profiles
BLANKINTERNETCONTAINER#0	Publishing Portal
SPSMSITEHOST#0	My Site Host
ENTERWIKI#0	Enterprise Wiki
SRCHCENTERLITE#0	Basic Search Center
SRCHCENTERLITE#1	Basic Search Center
SRCHCENTERFAST#0	FAST Search Center
visprus#0	Visio Process Repository
SRCHCENTERLITE#1	Basic Search Center
SRCHCENTERFAST#0	FAST Search Center
visprus#0	Visio Process Repository

The list above shows all templates installed with English SharePoint 2010 Enterprise + FAST. In case you want to check your own templates, use the following PowerShell code:


cls
if((Get-PSSnapin | Where {$_.Name -eq "Microsoft.SharePoint.PowerShell"}) -eq $null) {
   Add-PSSnapin Microsoft.SharePoint.PowerShell;
}
#English only templates
Get-SPWebTemplate | Where {$_.LCID -eq 1033} | Select Name, Title, SupportsMultilingualUI
Write-Host "=========================="
#All templates
Get-SPWebTemplate | Select Name, Title, SupportsMultilingualUI




Ref. by http://www.sharepointusecases.com