“operation master ERROR” In operation master TAB

When getting the “the target principal name is incorrect” error message while trying to access a DC from the LAN (e.g Start->run) and “operation master ERROR” In operation master TAB in active directory.

This issue cased by a DC that has lost its secure channel.

When getting the “the target principal name is incorrect” error message while trying to access a DC from the LAN (e.g Start->run) and “operation master ERROR” In operation master TAB in active directory.

This issue cased by a DC that has lost its secure channel.
To resolve the issue, do the follow from the DC that is not the PDC
emulator.

1. Stop the Kerberos Key Distribution Service and set it to disabled.

2. Open a command prompt and run the following command:
“netdom resetpwd /server:
/userd:administrator /passwordd:”
(without the quotation marks)

Where is the name of the server that is the PDC Emulator
operations master role holder.

After you reset the secure channel, restart the domain controller.

For more info use MS KB.
http://support.microsoft.com/kb/q288167/

CTRL-ALT keys in RDP session

When in the Terminal Server client window, the equivalent of CTRL-ALT-DEL for the MS client is CTRL-ALT-END.

The MS client also allows CTRL-ALT-BREAK to switch between viewing the session in a window and on the full screen.

Backup Cisco configuration file to TFTP server

How to install a TFTP server and backup the config file to the TFTP server.

In order to backup your Cisco router running configuration to a TFTP server you will need a TFTP server in place which I’ll tell you how to install and configure it.

1. Download and install a TFTP server, I used a free TFTP server called SolarWinds Free TFTP Server which you can download from here.
http://www.solarwinds.com/products/freetools/free_tftp_server.aspx

2. Install the software on a server that the routers can ping
3. On the TFTP software installed Click File -> Configure and start the TFTP server.
4. On the router type:
RT01#copy run tftp
Address or name of remote host []? 10.0.1.6 (Type the TFTP server Address)
Destination filename [ch-col-e1-confg]? Filename (name the backup file)
!!
3143 bytes copied in 0.572 secs (5495 bytes/sec)
RT01#
<p>

Syntax For FTP URL Access Using A Browser

To gain access to a secure FTP server using a user name and password please use the following syntax

To gain access to a secure FTP server using a user name and password please use the following syntax
ftp://user:password@host:port/path
Example:
ftp://user:password@myserver.com:21/folder

With Firefox browser there is no need to enter the password as it will prompt for it.
The port option is not mandatory if the FTP server is using the default port number.

Well Known ports in NT networks

The following ports are the most known and used ports in NT networks.

SMTP – Port TCP/UDP 25
DNS – Port TCP/UDP 53
HTTP – Port TCP/UDP 80
POP3 – Port TCP/UDP 110
HTTPS – Port TCP/UDP 443
LDAP – Port TCP/UDP 383

Unable to open user login file \somepathdataloggedinuserfile.log error in Microsoft VSS

You get this error message when trying to connect to VSS from a remote PC.

Resolution
This problem is related to permission issues on the server which holds the share folder with all the releases.

Remove all permission from the main folder and disable inherited permission then
Grant Everyone and Domain Users full control on The sharing and security tab and enable them to inherit the permissions.

Email problems with Mercury Quality Center

Users from outside the domain not receiving emails and users from the local domain receiving emails with no problem.

 

Problem:

Users from outside the domain not receiving emails and users from the local domain receiving emails with no problem.

Fix:
To fix the problem add the Mercury Quality Centre server IP address the mail server relay list (in this case exchange server).
If you are using the IIS SMTP to send email enable relay as well.

Backup Exec error “V-79-57344-33928 – Access is denied.”

Exchange 2003 backup is failed with the following error message “V-79-57344-33928 – Access is denied.” and Event ID 1022 appears in the event log.

Exchange 2003 backup is failed with the following error message “V-79-57344-33928 – Access is denied.” and Event ID 1022 appears in the event log.

This error append because there are disabled user mailbox that the backup account (usually domain admin account) can’t access the mailboxes which cause the backup to fail.

Resolution:
Reset the disabled user password and enable them, or uncheck the disabled mailboxes from the Backup Exec backup job

Backup exec freezes when doing inventory

When trying to do inventory or eject a tape from the drive using Backup Exec 10d and 11d the software freezes

Problem:
When trying to do inventory or eject a tape from the drive using Backup Exec 10d and 11d the software freezes.

Solution:

Open task manager and close the following services.
Beserver.exe
BkupExec.exe

Start backup exec and start services from Backup Exec application.

If this does not work restart server.