Thursday, 23 June 2011

SharePoint 2010 - HTTP Error 503. The service is unavailable

If you encounter this error message in your SharePoint environment the first place to look is the logs, but there's a very good chance that this relates to a password problem for one or more accounts running one SharePoint's IIS application pools.

Check IIS > App Pools and identify the accounts used by your app pools.


Open AD and ensure that these  service accounts are configured so that the password never expires and the user cannot change the password.


Reset the password(s) as required.

Return to IIS > App Pools and right click each SharePoint related one and select 'Advanced Settings' 


In Process Model > Identity, click on the ellipses


Click Set


Type in credentials and OK



You may also need to manually restart the Application Pools affected by the change.


  1. Other than Password expiry and Application Pool in Stopped status, There are few more reasons for Service Unavailable: HTTP Error 503. The service is unavailable in SharePoint

    Found this checklist to resolve this error in -

    Service Unavailable: HTTP Error 503. The service is unavailable in SharePoint

  2. service ac surabaya sidoarjo
    service ac sidoarjo
    service ac surabaya
    girilaya real groups
    Jasa Cuci ac surabaya sidoarjo
    Jasa Cuci ac sidoarjo
    Jasa Cuci ac surabaya
    Service Chiller Surabaya
    Service cold storage Surabaya
    Service kulkas Surabaya
    Service ice maker Surabaya

    Bila Butuh Jasa Kami Segera Hubungi Nomor Kami Di Bawah

    Telp/Fax 0315461679
    Fleksi 031-70810312/03177249919
    Simpati 081230032650
    Exis 083830316070
    M3 085731878500

    Kantor Pusat : Jl Wonorejo 3 / 120,Surabaya ( Daerah Pasar kembang )
    girilaya real groups