"ORA-12222 TNS no such protocol adapter" When running Forms after installing Portal

We have a Forms 6i (web) application running on 9iAS. This worked fine. But after installing Portal on the same 9iAS, we got the following error when starting the WebForms application:
ORA-12222 TNS no such protocol adapter
Who knows a solution?
Configuration
9IAS v1.0.2.2
8.1.7
Form 6i Patch 10
Windows NT
Best regards,
Harm van Zoest

This is s SQLNET error.
You can search for it on OTN using the search button.
IT usually means that the tnsnames.ora file was changed. Or that you are now using another tnsnames.ora.

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  • TNS:no such protocol adapter

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    <BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Anand Sengodan ([email protected]):
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    null

  • TNS-12538: TNS:no such protocol adapter, please delete this thread, Sorry!

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