Symantec Backup Exec 2012 error when backup exchange server.

Problem  : Error when running backup on Exchange Server (Symantec Backup Agent).

Study Case :

1. There are 3 server on this company, Domain Controller, Exchange Server and Application Server.
2. Symantec Backup Exec is installed on Domain Controller server.
3. Symantec Agent is installed on Exchange server and Application Server.



Resolution :

1. Make sure the license is correct, check license compatibility.
2. Make sure Symantec Agent is successfully and can running on the Exchange Server
3. Install Exchange Management Tools on Domain Controller (Symantec Backup Exec server) server to perform GRT backup and restore exchange mail box .

Generating a Certificate Signing Request (CSR) using Apache (with mod_ssl) & OpenSSL

Generating a Certificate Signing Request (CSR) using Apache (with mod_ssl) & OpenSSL

To generate your CSR, you will need to log in to your server and use the OpenSSL software to generate a CSR and private key.

1. Log in to your server, and enter the following command:

openssl req -nodes -newkey rsa:2048 -keyout myserver.key -out server.csr

This will generate two files: a CSR called 'server.csr' and a 2048-bit private key called 'myserver.key'.

2. You will be prompted to enter some information for your CSR:

Country Name (2 letter code) [AU]: GB
State or Province Name (full name) [Some-State]: Yorks
Locality Name (eg, city) []: York
Organization Name (eg, company) [Internet Widgits Pty Ltd]: MyCompany Ltd
Organizational Unit Name (eg, section) []: IT
Common Name (eg, YOUR name) []: mysubdomain.mydomain.com
Email Address []:

Please enter the following 'extra' attributes to be sent with your certificate request

A challenge password []:
An optional company name []:

The 'CN' field (Common Name) is where you should enter the fully qualified domain name of the website you require the certificate for.
Note: for wildcard certificates, the Common Name should be in the format: *.mydomain.com

3. Your CSR is now generated. Open the 'server.csr' file with a text-editor and copy and paste the contents into the enrollment form when requested.

Notes:
The 'myserver.key' file should be kept secure (e.g. readable only by root on linux systems).

Removing the '-nodes' option from the openssl command will request a password and encrypt the private key. This can increase security, but note that the password will be required each time Apache is restarted.

EV certificates require a minimum of a 1024-bit keysize if valid before 2011, and 2048-bit if they are valid into 2011. We recommend that a 2048-bit keysize is the minimum used for all certificates.

The two-letter 'Country Name' field must be the ISO-3166 standard country code. Please note that 'GB' is correct for Great Britain, not 'UK'. A complete list can be found here: http://www.iso.org/iso/country_codes.htm

Exchange 2010 can send email from POP 3 using anonymous account without password

To prevent the spam or anonymous using your domain email :

1.Open the Exchange Management Console and go to Server Configuration - Hub Transport and create a new Receive Connector.

 2. Right click and go to properties on your new Receive Connector. Go to Network tab and  change the IP address with 0.0.0.0/32 or 0.0.0.0-255.255.255.255 and add your exchange IP Address,

3. Go to Authentication tab and tick Transport Layer Security (TLS) and Externally Secured.

 4. Go to Persmission Group tab and tick Exchange servers only and then click Apply and Ok.

Error when installing Microsoft Office Home & Business 2013

Error Messages :

Resolution :

1. Delete the existing folder for Microsoft Office which is located on :
    C:\Program Files\Microsoft Office.
    C:\Program Files\Microsoft Office 15

2. Start - run - type regedit and press enter,  find the below registry and delete it (please backup your registry before you change anything on it) :

HKEY_CURRENT_USER-Software-Microsoft-Office (delete "Office" Folder only)
HKEY_LOCAL_MACHINE-Software-Microsoft-Office (delete "Office" Folder only)

3. Restart the computer and try to run the installation again.

Exchange Server 2010 : EMC Initialization failure No Exchange Servers are available

Error Message : 

No Exchange servers are available in any Active Directory sites.  You can't connect to remote Powershell on a computer that only has the Management Tools role installed.  It was running the command 'Discover-ExchangeServer -UseWIA $true -SuppressError $true -CurrentVersion 'Version 14.1 (Build 218.15)".

Resolution : 

1. Please make sure the account you logged in is a domain account.

2. Restart Exchange 2010 to resolve any potential issues.

3. On exchange server, run DCDIAG to check your Active Directory and Domain Controllers and check if there is any error.