Small Business Server 2008 SP2 - Failed antimalware install, on reboot all drive mappings are gone. Unable to recreate with error "The handle is Invalid". Help!

Dave Weingard 0 Reputation points

After a failed antimalware install, on reboot all drive mappings disappeared. I am unable to recreate or create any drive mappings with error "The handle is Invalid". Our data and programs are mission critical and need resolution. Any help would be amazingly appreciated !

Windows Small Business Server
Windows Small Business Server
A family of Microsoft server products with messaging and collaboration, security-enhanced internet access, protected data storage, reliable printing, faxing, and the ability to run line-of-business applications. Replaced by Windows Server Essentials.
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  1. Limitless Technology 44,011 Reputation points

    Hello Thank you for your question and reaching out.

    1. Run sfc /scannow from elevated prompt.
    2. Perform full scan of your server with Antivirus program .
    3. Map network drive from Command Prompt For example : net use Z: \Server-NAME-OR-IP\SHARED-FOLDER --If the reply is helpful, please Upvote and Accept as answer--
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  2. Dave Weingard 0 Reputation points

    As it turned out, I searched the security properties of the C Drive and discovered that the Owner was now "TrustedInstaller". I changed it back to the Administrator and rebooted. The mappings then came up on their own as usual. Not sure if what we changed did it or if the reboot for the 4th time did it. Thanks for the attempt!

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