When you create a new site collection, Central Administration creates a top level site and offers you the standard set of templates for that top level site.

If you want to add a custom template to the list of templates offered by Central Administration, simply:

• Create a custom template (.stp)
• From the command prompt, use STSADM -O ADDTEMPLATE:
  stsadm.exe -o addtemplate -filename filename -title "friendly name" -description "description"

Type stsadm -help addtemplate for details.

Then restart IIS by typing iisreset.

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Dan Holme
Office & SharePoint Pro Community Leader
MVP (Windows Server - Directory Services)

I have created a custom template and deployed it on the central admin.It is being shown under the custom tab and I am able to create sites using it also. but when I sent the same template to be deployed on the production environment, it got deployed from the command prompt. Operation successful and iisreset done. But when trying to create a new site using the template, it is throwing an error saying ::  "The template you have chosen is invalid or cannot be found".

what could be the possible problem?

I'M ALSO FACING THE SAME ISSUE, CAN ANYBODY HELP ME TO RESOLVE THIS ISSUE...

 

THANKS IN ADVANCE

ALTHAF HUSSAIN K