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Cannot open pipe: (5) Access is denied error when attempting to update


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Posted
On 7/27/2025 at 12:12 PM, MajSchrute said:

I'm getting this error when attempting to update my dedicated server.  The user account has full control permissions for the eagle dynamics folder.

hello. "child failed to connect... timeout period expired" this means your connection to update server failed. have you edited your HOST file? C:\Windows\System32\drivers\etc

also check that you DNS is resolving api.digitalcombatsimulator.com by checking in NSLOOKUP. also restart home network equipment and retry.

AKA_SilverDevil Join AKA Wardogs Email Address My YouTube

“The MIGS came up, the MIGS were aggressive, we tangled, they lost.”

- Robin Olds - An American fighter pilot. He was a triple ace.

The only man to ever record a confirmed kill while in glide mode.

Posted
On 7/28/2025 at 6:16 PM, silverdevil said:

hello. "child failed to connect... timeout period expired" this means your connection to update server failed. have you edited your HOST file? C:\Windows\System32\drivers\etc

also check that you DNS is resolving api.digitalcombatsimulator.com by checking in NSLOOKUP. also restart home network equipment and retry.

Host file hasn't changed and has no entries.  Although, I did try adding api.digitalcombatsimulator.com to the host file which didn't change anything.  nslookup is resolving the domain to 185.195.197.20 after failing the first time.  

It seems like my first time attempting to resolve most domains leads to a timeout, and is then successful on the second attempt.

I disabled Windows Defender which didn't change anything.  Oddly I can update just fine from the admin account but not from the user account.  From the user account I run the updater as admin and it still fails.  Just to rule out permissions I gave the user account full control of everything in the eagle dynamics folder as well.

Posted
1 hour ago, MajSchrute said:

also restart home network equipment and retry.

did you do this?

 

1 hour ago, MajSchrute said:

It seems like my first time attempting to resolve most domains leads to a timeout, and is then successful on the second attempt.

if you are having failures for everything first off, then this is a good step. your issue obviously is not a DCS problem since the forum has not exploded with similar reports. i do not personally have issues.

where are you in the world?

AKA_SilverDevil Join AKA Wardogs Email Address My YouTube

“The MIGS came up, the MIGS were aggressive, we tangled, they lost.”

- Robin Olds - An American fighter pilot. He was a triple ace.

The only man to ever record a confirmed kill while in glide mode.

Posted
8 hours ago, ATA said:

I've encountered a similar problem. It worked fine for many years before and never got stuck at this step.

hello,

your computer is not referencing the correct IP address for cdn. you got 195.181.172.2

this is what i get. i am in eastern virginia usa.

> cdn.digitalcombatsimulator.com
Server:  dns.google
Address:  8.8.8.8

Non-authoritative answer:
Name:    1231349722.rsc.cdn77.org
Addresses:  2a02:6ea0:e200::36
          2a02:6ea0:e200::17
          2a02:6ea0:e200::37
          109.61.91.195
          109.61.91.230
          109.61.91.197
Aliases:  cdn.digitalcombatsimulator.com

AKA_SilverDevil Join AKA Wardogs Email Address My YouTube

“The MIGS came up, the MIGS were aggressive, we tangled, they lost.”

- Robin Olds - An American fighter pilot. He was a triple ace.

The only man to ever record a confirmed kill while in glide mode.

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