sharepoint - SP central admin Cannot connect to the configuration database after reinstalling sql server 2008 r2 -


i have re-installed sql server 2008 r2 in windows server, after installing sql server, unable open central admin. on opening central admin showing me message -

cannot connect configuration database

i unable open of site collection too. on opening site collection showing

cannot connect configuration database. description: unhandled exception occurred during execution of current web request. please review stack trace more information error , originated in code.

exception details: microsoft.sharepoint.webpartpages.webpartpageuserexception: cannot connect configuration database.

source error:

an unhandled exception generated during execution of current web request. information regarding origin , location of exception can identified using exception stack trace below.

stack trace:

[webpartpageuserexception: cannot connect configuration database.]
microsoft.sharepoint.applicationruntime.sprequestmodule.ensureinitialize(httprequest request) +740
microsoft.sharepoint.applicationruntime.sprequestmodule.beginrequesthandler(object osender, eventargs ea) +164
system.web.synceventexecutionstep.system.web.httpapplication.iexecutionstep.execute() +80 system.web.httpapplication.executestep(iexecutionstep step, boolean& completedsynchronously) +171

i have checked sql server configuration manager , there no sharepoint instance there too, afraid if sharepoint db has been deleted. if yes, there anyway restore , how make sharepoint site collection , central admin , running. appreciated.

did backup database before reinstall it? if not, sharepoint database gone. i'm afraid there not can it.

check database, there databases named wss_content_..... , sharepoint_config....? if there are, maybe sp not using \sharepoint instance. then, can manually add administrator account database, can open sp site. but, description, may not case.

another way is: open sp management shell, run get-spcontentdatabase

does show anything?

good luck.


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