Pre Requistes for to start Ehpi

Hi,
  We have  SAP ECC 6.0 with patch level 09(i.e Basis at 09 , ABAP at 09 , APPL at 06).
We have upgraded our solman to Ehp1 and the maitenance optimizer is configured.
Can i Directly start the installation of the EHp4 with ehp installer and it will also do the stack update or first i have to update any patches in ecc6 system then i have to start Ehpi.
Thanku

Hi Kumar,
You can do directly from here. For more information check SAP Note 849887 - SAP ERP 6.0: Support Package Stacks
Release and Info Note
Thanks
Sunny

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    u2022     Downloading necessary software components from SAP Service Marketplace
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    4.,7.,8. and 10.
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    Windows NT, Windows 2000     <drive>:\<path_to_libsecude>\<name_of_sapcrypto_library>
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    UNIX     printenv
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    D  * * *
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    SNC-connection from SAP to local R/3-System for saptelnet, if it is needed
    KP "p:CN=sapserv2, OU=SAProuter, O=SAP, C=DE" <R/3-Server> 23
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    D * * *
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    >
    venkatesan janardhanam wrote:
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    > We are planning to implement charm & cts+ in our company. We are having 3 system landscape and we have ep, bi & ecc systems. 
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