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This computer can't connect to the remote computer because the Terminal Services Gateway server's certificate is expired or revoked

Using Terminal Services Gateway.
One of my users was working on TS on and off yesterday, but in the evening they started getting:
 
"This computer can't connect to the remote computer because the Terminal Services Gateway server's certificate is expired or revoked. Contact your network administrator for assistance."

The workstation is running Vista (no Service Pack). No updates made on the Server or the Client in period started failing. All other workstations using TS Gateway work fine.

Most recent change was install of CA issued cert to replace self issued cert.
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littlehogarth
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littlehogarth
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1 Solution
 
ParanormasticCryptographic EngineerCommented:
If it was working before and no major changes, and it only affects one box, then I really only have a few suggestions offhand...

1) Try a system restore to before the issue started

2) Check the time in CMOS setup - your CMOS battery may be loose, dirty (oil from fingerprints can be enough), or be prematurely loosing power.

3) Check event logs for errors.

4) Apply service pack - use network install version not windows update in case there may be a corrupt file acting up.

5) Reload the box.
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littlehogarthAuthor Commented:
Thanks Paranormastic, getting the user to download Vista SP2 and install this.
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littlehogarthAuthor Commented:
Thanks Paranormastic, updated the service pack and rebooted and now is connecting fine.
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