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I just got a new laptop, and when I logon to SAP, I got an error "Sapgui 640 - Logon balancing error 88: Cannot connect to message server (rc=9). I see this message was answered at the following link

but that resolution, to change the registery, did not fix my problem. Does anybody have any other suggestions? I also copied my saplogin.ini file from my old laptop, and that didn't solve it either.

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rolfc_weber
Contributor
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Hi,

Try check your "services" file (normally located in the \WINDOWS\system32\drivers\etc folder) there are maybe some sapmsxxx entries missing.

(try compare the file with the same on your old laptop).

Regards

Rolf

Former Member
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I have a Windows/System folder, but no Windows/System32 folder. I do not see any sapmsxxx entries in the windows/system folder.

rolfc_weber
Contributor
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The file you should search is named "services" without extension.

The file can be edited with Notepad or so.

In this file there should be some entries starting with sapmsXXX (where XXX is the <SID> of your SAP-system).

After the sapmsXXX there soul be something like 36yy/TCP (where yy is the instance number of your SAP system).

Regards

Rolf