(Changing the Password without configuring the steps
for services below will cause “Service Unavailable Error” while “Page cannot be
Displayed Error” if AppPool is not started.)
It is caused because either the password for the
farm admin has expired or the user had changed the password.
1.
Change the Admin Password by Pressing Alt+Ctrl+Dlt
-> Change a Password
2.
Go to Run -> Services.msc or Start ->
Administrative Tools ->Services
3.
Go to the Services that use that admin account as
log on
4.
Change the Password of all the Services using that
account
5.
Restart the service if it was running already or if
you want to start it.
6.
Go to IIS Manager ->Application Pools
7.
For each application pool running with the admin
account
8.
Set the Password for admin
9.
Repeat the process for all the App Pools
10. Reset
IIS Web Server from cmd -> iisreset –noforce or restart it manually.
Here you go .....
