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原标题：Method to start SAP Portal Server When MMC System Nodes Are Missing

Have you ever ended up with amusement that your portal server is no more displayed in SAP Management Console on expanding.

In such scenarios how can we start the server and work .Before proceeding towards solution ,lets know about the various reasons for occurrence of such scenarios.

Mostly the cause is shutdown of the PC without stopping the server.This usually happens as in major MMC automatic updates ,security patches run weekly which restart your system timely.In such times ,if the Portal server was up ,then due to dirty closure the SAP Instances get flushed out from MMC and the interface between the instance and DCOM will be lost.

Solution :

Initially check the services in PC ,run services.msc where you can observe that the SAP Portal components will be missing.

For a proper server the services running in your PC are as follows:

Example:
SAPDB: .M760018 f:\sapdb\n06\db\pgm\kernel.exe localsystem allow service....
SAPDB: .M760018 (omststknl.exe) f:\sapdb\n06\db\pgm\omststknl.exe
SAPDB: .M760018 (quick) f:\sapdb\n06\db\pgm\quickknl.exe
SAPDB: .M760018 (slow) f:\sapdb\n06\db\pgm\slowknl.exe

SAPN06_00 F:\usr\sap\N06\SCS00\exe\sapstartsrv.exe pf=F:\usr\sap\N06\SYS\profile\START_SCS00_H1A-2F143-81Z

SAPN06_01 F:\usr\sap\N06\JC01\exe\sapstartsrv.exe pf=F:\usr\sap\N06\SYS\profile\START_JC01_H1A-2F143-81Z

To start the missing services ,the first thing we can have to do is to add up the instances to MMC ,The procedure to be followed is:

Goto

1.\usr\sap\\SCS00\exe\sapstartsrv.exe ,start and give in details

SystemID - (for example example N06)
Nr - Central Instance Number ( example 00)
Profile - Go to usr\sap\N06\SYS\profile\ , check for the existence of file name starting with START_SCS, and mention full path of this file name here. Last characters signify your host name.

for example : F:\usr\sap\N06\SYS\profile\START_SCS00_H1A-2F143-81Z
User - .\SAPService for example: .\SAPServiceN06
Password - <>

- The instance gets installed successfully message is prompted.

2. Now Go to usr\sap\\JC01\exe\sapstartsrv.exe ,start and give the details the details as explained above..

SystemID - N06
Nr - 01
Profile - F:\usr\sap\N06\SYS\profile\START_JC01_H1A-2F143-81Z
User - .\SAPServiceN06
Password - <>

- The instance gets installed again successfully message is prompted.

Now reopen the SAP MMC,expand the SAP Systems node .Now the instances are added back to console.