Create mysite using Powershell

Function Create-MySite           
{           
 [CmdletBinding()]           
 Param           
 (           
  [Parameter(Mandatory = $True,Position=2,valueFromPipeline=$true)][String]$Username,           
     [Parameter(Mandatory = $True,Position=1)][String]$MySiteRootURL             
 )           
 [void][reflection.assembly]::Loadwithpartialname("Microsoft.Office.Server");              
 $site=new-object Microsoft.SharePoint.SPSite($MySiteRootURL);           
 try           
 {           
  $serviceContext = Get-SPServiceContext $site;           
  $upm = new-object Microsoft.Office.Server.UserProfiles.UserProfileManager($serviceContext);            
  if($upm.UserExists($Username) -eq $false)           
  {           
   Write-Host "User $Username was not found in the profile store." -f yellow;           
   return;           
  }           
  $userProfile = $upm.GetUserProfile($Username);           
  if($userProfile.PersonalSite -eq $Null)           
  {           
   Write-Host "Creating MySite for user $Username" -f darkyellow;           
   $userProfile.CreatePersonalSite();                 
   Write-host "Successfully created MySite for user $Username" -f green;           
  }           
  else           
  {           
   Write-Host "User $Username already has a MySite." -f darkgreen;           
  }           
 }           
 catch           
 {           
  Write-Host "Encountered an error creating a MySite for user $Username. Error:"$_.Exception -f Red;           
 }           
 finally           
 {           
  $site.Dispose();           
 }           
}
Create-MySite -MySiteRootURL "http://url" -Username "domain\user"

Powershell script remove contenttypes from list

#Get site object and specify name of the library to look for in each site
$site = Get-SPSite http://URL
$lookForList = "ListName"
$ContentType = "CTName"
#Walk through each site and change content types on the list specified
$site | Get-SPWeb -Limit all | ForEach-Object {

write-host "Checking site:"$_.Title

#Check list exists
$docLibrary = $_.Lists[$lookForList]

#Remove unwanted content types from the list
if($docLibrary -ne $null)
{
$ctToRemove = $docLibrary.ContentTypes[$ContentType]
write-host "Removing content type" $ctToRemove.Name "from list" $docLibrary.Title
$docLibrary.ContentTypes.Delete($ctToRemove.Id)
$docLibrary.Update()
}
else
{
write-host "The list" $lookForList "does not exist in site" $_.Title
}
}
#Dispose of the site object
$site.Dispose()

Export managed metadata

Get-SpServiceApplication | select DisplayName, ID
Get-SPServiceApplicationProxy | select DisplayName, ID
$mmsAppId = "GUID"
$mmsproxy = Get-SPServiceApplicationProxy -Identity GUID
Export-SPMetadataWebServicePartitionData -Identity $mmsAppId -ServiceProxy $mmsproxy -Path \\server\path\filename.bak

Security Token Service is down or showing errors?

Some examples of errors that may show up in your ULS log.

• An exception occurred when trying to issue security token: The server did not provide a meaningful reply; this might be caused by a contract mismatch, a premature session shutdown or an internal server error (OR)
• Request for security token failed with exception: System.ServiceModel.ServiceActivationException: The requested service,'http://localhost:32843/SecurityTokenServiceApplication/securitytoken.svc/actas' could not be activated (OR) 
• An exception occurred when trying to issue security token: The requested service,'http://localhost:32843/SecurityTokenServiceApplication/securitytoken.svc/actas' could not be activated

Run the following commands, it will do a new provisioning of the Security Token Service.

$h = Get-SPServiceHostconfig
$h.Provision()
$services = Get-SPServiceApplication
foreach ($service in $services) { $service.provision();
write-host $service.name}


Perform an IIS Reset and try to browse the STS, http://localhost:32843/SecurityTokenServiceApplication/securitytoken.svc