IIS Configuration Error Error: Cannot write configuration file due to insufficient permissions

While deploying my custom asp.net application I found it hard to browse through few asp.net pages. I tried to enable directory browsing feature to locate pages. Selecting enabled after clicking on directory browsing gaves me following error

Error: Cannot write configuration file due to insufficient permissions

Looking at above issue I thought that may be I need to start my IIS as an administrator so I closed my IIS and start IIS console again as an administrator but above error remain as is.

I decided to go for some research over the internet and found an unbelievable solution. i.e. My web.conf file was readonly :D.

Comments

  1. Lisa HochhauserJanuary 4, 2013 at 9:00 PM

    Saved me hours. Thank you.

    ReplyDelete
  2. AnonymousSeptember 18, 2013 at 2:24 AM

    You nailed it, thanks!

    ReplyDelete
  3. AnonymousOctober 24, 2013 at 11:37 PM

    Thank you! Solved my problem :-)

    ReplyDelete
  4. AnonymousNovember 13, 2013 at 6:15 PM

    great! thank you!

    ReplyDelete
  5. AnonymousDecember 11, 2013 at 12:19 AM

    Perfect! Unfortunately, I had already spent 2+ hours before I came across this thread! As a side, the error message should simply state the file is read-only:-| Thanks.

    ReplyDelete
  6. AnonymousFebruary 18, 2014 at 7:53 AM

    I almost got frustrated with my IIS problem, until I found your blog .. thank you for sharing ..

    ReplyDelete
  7. AnonymousMay 14, 2014 at 7:19 PM

    Great job. Me too had already spent about 2 hours on this before finding your solution. It's silly of me as I should have noticed it!

    ReplyDelete
  8. AnonymousMarch 19, 2017 at 5:55 AM

    My web.config was not read-only. But I solved it by taking away ownership from TrustedInstaller and giving it to the domain administrator, then giving the Administrators group full permissions on the web.config file.

    ReplyDelete
  9. Shubham VadheraJune 8, 2017 at 9:41 PM

    Perfect !!

    ReplyDelete

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