Volume Shadow Copy error after deleting an Unused SharePoint Service Account

My SharePoint Experiences

Recently, I deleted an Unused SharePoint Service Account in AD after figuring out we were not using that service account for any Service in SharePoint. This service account was also local admin on the server.  As I did this I could not start the Volume Shadow copy service and whenever I try to start it I would get initiation error message and the application log would have the following error

Event Type:    Error
Event Source:    VSS
Event Category:    None
Event ID:    12289
Date:        6/23/2009
Time:        8:59:06 AM
User:        N/A
Computer:    ServerName
Volume Shadow Copy Service error: Unexpected error LookupAccountName( NULL, [ServiceAccountName], NULL, p, NULL, p, p).  hr = 0x800706fc.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

Blah blah Blah…..

I tried rebooting the server, same error reappeared.

I was not able open the tab Shadow Copies  from properties of any disk drive…

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Using Windows PowerShell to fix a broken Secure Channel and reset the computer account

When a computer joins a domain, a computer account is created in AD. The computer account gets its own password that will expire after 30 days (default). When the password expires, the computer itself will initiate a password change with a DC in its domain.

When the computer starts up, it uses this password to create a secure channel (SC) with a DC. The computer will request to sign all traffic that passes the SC. If a DC says “go ahead”, all traffic that is signed passes through this channel.

Traffic like NTLM pass through authentication is typically signed traffic.

So what happens if there is a mismatch between the computer account password? The computer tries to authenticate, but the DC says this is not the correct password.

The SC is down.

To reset the SC between a computer and a DC:

Open PowerShell on the local computer with the broken SC and run the cmdlet:

Test-ComputerSecureChannel -repair -credential (Get-credential)

Source: Using Windows PowerShell to fix a broken Secure Channel and reset the computer account

Sysinternals autologon and securely encrypting passwords???

Hi all,

Nowadays I’m trying create a Auto Logon but with an encrypted password.

I discover the SysInternals AutoLogon, which can do that, but is not entirely true. There is a way to unencrypt this password.

This is not completely secure.

Please read the bellow article.